Sea Green Color (#2E8B57)
Sea Green is a CSS named color defined as hex code #2E8B57. Sea Green is a medium-dark green with a cool, bluish cast, like seawater over a shallow bed.
Color Overview & Formats
seagreenLuminance: 0.1973| Format | Syntax / Values | Notes | Action |
|---|---|---|---|
| HEX | #2E8B57 | 6-digit hex web code | |
| RGB | rgb(46, 139, 87) | Red, Green, Blue channels (0-255) | |
| HSL | hsl(146, 50%, 36%) | Hue (146°), Saturation (50%), Lightness (36%) | |
| HSV / HSB | hsv(146, 67%, 55%) | Hue, Saturation (67%), Value/Brightness (55%) | |
| CMYK | cmyk(67%, 0%, 37%, 45%) | Digital mathematical approximation (non-print) | |
| OKLCH | oklch(0.569 0.119 154.9) | Perceptually uniform color space (CSS Color 4 approximation) |
background-color: #2E8B57; /* or seagreen */- Select color format: Choose the desired format (HEX #2E8B57, RGB, or HSL).
- Copy the code: Click the copy button or press Tab+Enter to store in clipboard.
- Pair with black text: Black text on Sea Green reaches 4.95:1 (WCAG AA).
What Colors Go With Sea Green?
These 6 colors all go well with Sea Green (#2E8B57), and each one is a standard CSS named color. The ratio is the WCAG 2.2 contrast of that color on Sea Green: at 4.5:1 or above it works for text; below that, use it for backgrounds and accents.
Harmonious Palettes & Tints
The palettes below are algorithmically generated across standard intervals based on Sea Green (HSL 146°). Each group offers full palette copy and live preview:
Complementary Harmony
Hue rotated 180 degrees on the HSL wheel (146° to 326°), keeping the original saturation and lightness.
Analogous Harmony
Hues 30 degrees either side (116° and 176°), keeping the original saturation and lightness.
Triadic Harmony
Hues spaced evenly by 120 degrees (266° and 26°), keeping the original saturation and lightness.
Tints & Shades
Mixed with white (tints) and black (shades) in sRGB at 60% and 30%.
WCAG 2.2 Text Readability & Contrast Check
Under WCAG 2.2 criteria, regular body text requires at least 4.5:1 (AA) and large text requires at least 3.0:1. The table below displays calculated contrast ratios:
| Foreground Color | Contrast Ratio | Normal Text (AA) | Large Text (AA) | Normal Text AAA (>= 7.0:1) |
|---|---|---|---|---|
Pure Black (#000000) | 4.95:1 | Pass | Pass | Fail |
Pure White (#FFFFFF) | 4.25:1 | Fail | Pass | Fail |
Dark Charcoal (#212529) | 3.63:1 | Fail | Pass | Fail |
Mid Gray (#666666) | 1.35:1 | Fail | Fail | Fail |
Interactive Contrast Tester
Enter text foreground and background colors to verify WCAG legibility:
This is sample body text rendered directly to verify contrast and readability.
Sea Green Background Download
Download standard 1920x1080 solid desktop wallpaper or generate mobile wallpaper:
Standard Wallpaper: 1920x1080 PNG (#2E8B57)Download Options
All wallpaper files precisely match the W3C standard color value:
CSS Standard & Usage Notes
seagreen = #2e8b57 (rgb(46, 139, 87))
UI Design & Accessibility Guidelines
Use it for nature, wellness and finance palettes, success states and calm buttons. On Sea Green, black text passes WCAG AA at every size (4.95:1); white text passes only for large text (4.25:1).
Frequently Asked Questions (FAQ)
Can I use black text on Sea Green?
Yes. Black text on Sea Green has a WCAG 2.2 contrast ratio of 4.95:1, which passes AA (4.5:1) for all text sizes but not the stricter AAA level (7:1) for body text.
Can I use white text on Sea Green?
Only for large text. White text on Sea Green has a WCAG 2.2 contrast ratio of 4.25:1: enough for large text (3:1) but below the 4.5:1 needed for body text.
What colors go with Sea Green?
Black, White, Ivory, Wheat, Gold and Light Pink all go well with Sea Green. Black (4.95:1) has enough contrast for text on Sea Green; White, Ivory, Wheat, Gold and Light Pink work better as a background or accent.
Is sea green more blue or green?
It leans green. Sea Green (#2E8B57) has a hue of 146°, between green (120°) and cyan (180°) but closer to green, so it reads as green with a cool cast.