Color Index & Published Palettes

Browse verified color reference collections organized by hue family. SwatchAtlas prioritizes depth and factual citation over superficial mass generation, ensuring every cataloged color is backed by W3C specifications and accessibility data.

Pink Family

From near-white pastels to deep berry pinks: the pink-range named colors of W3C CSS Color 4.

Explore Pink Family Guide →

Light Pink

#FFB6C1(lightpink)

W3C CSS standard lightpink; luminous and soft.

Luminance: 0.5857rgb(255, 182, 193)
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Pink

#FFC0CB(pink)

The classic pale pink; a touch lighter than Light Pink.

Luminance: 0.6327rgb(255, 192, 203)
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Hot Pink

#FF69B4(hotpink)

Bright, saturated pink leaning toward magenta.

Luminance: 0.3466rgb(255, 105, 180)
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Deep Pink

#FF1493(deeppink)

Vivid, intense magenta-leaning pink.

Luminance: 0.2387rgb(255, 20, 147)
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Pale Violet Red

#DB7093(palevioletred)

Muted, dusty rose pink.

Luminance: 0.2875rgb(219, 112, 147)
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Medium Violet Red

#C71585(mediumvioletred)

Deep berry pink with a violet cast.

Luminance: 0.1437rgb(199, 21, 133)
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Misty Rose

#FFE4E1(mistyrose)

Very pale pink with a peach warmth.

Luminance: 0.8218rgb(255, 228, 225)
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Lavender Blush

#FFF0F5(lavenderblush)

Near-white with a faint cool pink cast.

Luminance: 0.9017rgb(255, 240, 245)
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Red Family

Crimson, firebrick, coral, salmon and tomato: the red-range named colors of W3C CSS Color 4.

Explore Red Family Guide →

Red

#FF0000(red)

Pure screen red: full red channel and nothing else.

Luminance: 0.2126rgb(255, 0, 0)
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Crimson

#DC143C(crimson)

Strong, vivid deep ruby red.

Luminance: 0.1604rgb(220, 20, 60)
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Firebrick

#B22222(firebrick)

Deep earthy brick red with high stability.

Luminance: 0.1072rgb(178, 34, 34)
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Dark Red

#8B0000(darkred)

Deep blood-red with no green or blue.

Luminance: 0.0549rgb(139, 0, 0)
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Indian Red

#CD5C5C(indianred)

Muted chestnut red with gentle pink-coral tint.

Luminance: 0.2141rgb(205, 92, 92)
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Salmon

#FA8072(salmon)

Soft, warm pink-orange red, like salmon flesh.

Luminance: 0.3698rgb(250, 128, 114)
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Tomato

#FF6347(tomato)

Bright, cheerful warm red-orange.

Luminance: 0.3064rgb(255, 99, 71)
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Coral

#FF7F50(coral)

Warm, vibrant orange-leaning pinkish red.

Luminance: 0.3702rgb(255, 127, 80)
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Blue Family

Sky blue, steel blue, royal blue and navy: the blue-range named colors of W3C CSS Color 4.

Explore Blue Family Guide →

Blue

#0000FF(blue)

Pure screen blue: full blue channel and nothing else.

Luminance: 0.0722rgb(0, 0, 255)
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Navy

#000080(navy)

Half-strength blue: a very dark, classic navy.

Luminance: 0.0156rgb(0, 0, 128)
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Midnight Blue

#191970(midnightblue)

Deep, dramatic dark navy tone.

Luminance: 0.0207rgb(25, 25, 112)
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Royal Blue

#4169E1(royalblue)

Vivid, saturated classic electric blue.

Luminance: 0.1666rgb(65, 105, 225)
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Steel Blue

#4682B4(steelblue)

Balanced mid-tone cool corporate blue.

Luminance: 0.2056rgb(70, 130, 180)
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Sky Blue

#87CEEB(skyblue)

Serene, airy light azure blue.

Luminance: 0.5529rgb(135, 206, 235)
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Light Blue

#ADD8E6(lightblue)

Pale, slightly grayish blue.

Luminance: 0.6371rgb(173, 216, 230)
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Powder Blue

#B0E0E6(powderblue)

Soft, high-luminance pastel blue.

Luminance: 0.6825rgb(176, 224, 230)
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Green Family

Green, lime, sea green, sage-toned and spring shades: the green-range named colors of W3C CSS Color 4.

Explore Green Family Guide →

Green

#008000(green)

CSS green: a medium-dark green at half strength.

Luminance: 0.1544rgb(0, 128, 0)
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Lime

#00FF00(lime)

Pure screen green: full green channel and nothing else.

Luminance: 0.7152rgb(0, 255, 0)
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Dark Green

#006400(darkgreen)

Deep, pure forest-toned green.

Luminance: 0.0911rgb(0, 100, 0)
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Sea Green

#2E8B57(seagreen)

Balanced aquatic oceanic green.

Luminance: 0.1973rgb(46, 139, 87)
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Medium Sea Green

#3CB371(mediumseagreen)

Fresh, vibrant botanical green.

Luminance: 0.3439rgb(60, 179, 113)
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Light Green

#90EE90(lightgreen)

Luminous, gentle pastel leaf green.

Luminance: 0.6909rgb(144, 238, 144)
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Dark Sea Green

#8FBC8F(darkseagreen)

Subdued eucalyptus sage green.

Luminance: 0.4379rgb(143, 188, 143)
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Spring Green

#00FF7F(springgreen)

High-chroma electric spring foliage green.

Luminance: 0.7305rgb(0, 255, 127)
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Purple Family

Purple, indigo, violet, orchid, plum and lavender: the purple-range named colors of W3C CSS Color 4.

Explore Purple Family Guide →

Purple

#800080(purple)

CSS purple: half-strength red and blue, no green.

Luminance: 0.0615rgb(128, 0, 128)
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Indigo

#4B0082(indigo)

Very dark blue-leaning violet.

Luminance: 0.0311rgb(75, 0, 130)
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Rebecca Purple

#663399(rebeccapurple)

Strong, medium-dark purple added to CSS in 2014.

Luminance: 0.0749rgb(102, 51, 153)
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Medium Purple

#9370DB(mediumpurple)

Soft, mid-tone purple with a blue lean.

Luminance: 0.2291rgb(147, 112, 219)
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Violet

#EE82EE(violet)

Light, bright pinkish purple.

Luminance: 0.4032rgb(238, 130, 238)
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Orchid

#DA70D6(orchid)

Light purple-pink, like the orchid flower.

Luminance: 0.3135rgb(218, 112, 214)
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Plum

#DDA0DD(plum)

Pale, muted purple.

Luminance: 0.4573rgb(221, 160, 221)
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Lavender

#E6E6FA(lavender)

Very pale blue-violet, close to white.

Luminance: 0.8032rgb(230, 230, 250)
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Orange Family

Orange, dark orange, orange red, salmon and peach tones: the orange-range named colors of W3C CSS Color 4.

Explore Orange Family Guide →

Orange

#FFA500(orange)

CSS orange: bright, warm and slightly yellow-leaning.

Luminance: 0.4817rgb(255, 165, 0)
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Dark Orange

#FF8C00(darkorange)

Deeper, redder orange.

Luminance: 0.4002rgb(255, 140, 0)
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Orange Red

#FF4500(orangered)

Intense red-leaning orange.

Luminance: 0.2552rgb(255, 69, 0)
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Light Salmon

#FFA07A(lightsalmon)

Light, warm orange-pink.

Luminance: 0.4781rgb(255, 160, 122)
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Peach Puff

#FFDAB9(peachpuff)

Pale peach with a warm orange tint.

Luminance: 0.7491rgb(255, 218, 185)
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Papaya Whip

#FFEFD5(papayawhip)

Very pale warm cream.

Luminance: 0.8780rgb(255, 239, 213)
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Dark Salmon

#E9967A(darksalmon)

Soft, muted orange-pink.

Luminance: 0.4054rgb(233, 150, 122)
Detail →

Yellow Family

Yellow, gold, khaki and goldenrod tones: the yellow-range named colors of W3C CSS Color 4.

Explore Yellow Family Guide →

Yellow

#FFFF00(yellow)

Pure screen yellow: full red and green, no blue.

Luminance: 0.9278rgb(255, 255, 0)
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Gold

#FFD700(gold)

Bright golden yellow.

Luminance: 0.6986rgb(255, 215, 0)
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Light Yellow

#FFFFE0(lightyellow)

Very pale, soft yellow.

Luminance: 0.9816rgb(255, 255, 224)
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Lemon Chiffon

#FFFACD(lemonchiffon)

Pale lemon cream.

Luminance: 0.9404rgb(255, 250, 205)
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Khaki

#F0E68C(khaki)

Soft, pale yellow.

Luminance: 0.7701rgb(240, 230, 140)
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Dark Khaki

#BDB76B(darkkhaki)

Muted olive-yellow.

Luminance: 0.4575rgb(189, 183, 107)
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Pale Goldenrod

#EEE8AA(palegoldenrod)

Pale, soft golden yellow.

Luminance: 0.7879rgb(238, 232, 170)
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Goldenrod

#DAA520(goldenrod)

Rich orange-gold.

Luminance: 0.4192rgb(218, 165, 32)
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Brown Family

Brown, saddle brown, sienna, chocolate, tan and burlywood: the brown-range named colors of W3C CSS Color 4.

Explore Brown Family Guide →

Brown

#A52A2A(brown)

CSS brown: a dark, red-leaning brown.

Luminance: 0.0982rgb(165, 42, 42)
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Saddle Brown

#8B4513(saddlebrown)

Classic earthy, saddle-leather brown.

Luminance: 0.0979rgb(139, 69, 19)
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Sienna

#A0522D(sienna)

Reddish earth-brown.

Luminance: 0.1370rgb(160, 82, 45)
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Chocolate

#D2691E(chocolate)

Warm, orange-leaning brown.

Luminance: 0.2390rgb(210, 105, 30)
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Peru

#CD853F(peru)

Warm, light brown with an orange cast.

Luminance: 0.3011rgb(205, 133, 63)
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Sandy Brown

#F4A460(sandybrown)

Light, warm orange-brown, like dry sand.

Luminance: 0.4663rgb(244, 164, 96)
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Tan

#D2B48C(tan)

Light, muted brown-beige.

Luminance: 0.4824rgb(210, 180, 140)
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Burlywood

#DEB887(burlywood)

Light wood brown.

Luminance: 0.5156rgb(222, 184, 135)
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Gray Family

Gray, dim gray, silver, gainsboro and slate tones: the gray-range named colors of W3C CSS Color 4 (also spelled grey).

Explore Gray Family Guide →

Dim Gray

#696969(dimgray)

Dark neutral gray, darker than gray.

Luminance: 0.1413rgb(105, 105, 105)
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Gray

#808080(gray)

CSS gray: neutral, exactly half strength.

Luminance: 0.2159rgb(128, 128, 128)
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Dark Gray

#A9A9A9(darkgray)

Actually lighter than CSS gray.

Luminance: 0.3968rgb(169, 169, 169)
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Silver

#C0C0C0(silver)

Light neutral gray.

Luminance: 0.5271rgb(192, 192, 192)
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Light Gray

#D3D3D3(lightgray)

Very light neutral gray.

Luminance: 0.6514rgb(211, 211, 211)
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Gainsboro

#DCDCDC(gainsboro)

Very pale neutral gray, just lighter than light gray.

Luminance: 0.7157rgb(220, 220, 220)
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Slate Gray

#708090(slategray)

Cool blue-tinted gray.

Luminance: 0.2090rgb(112, 128, 144)
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Dark Slate Gray

#2F4F4F(darkslategray)

Near-black gray with a teal tint.

Luminance: 0.0676rgb(47, 79, 79)
Detail →

Sources: W3C CSS Color Module Level 4 (named colors and values); WCAG 2.2 (relative luminance and contrast formula).