Sea Green #2E8B57
Sea Green is a medium-dark, moderately saturated green with hex code #2E8B57 and RGB rgb(46, 139, 87).
Aa
Black text reads best on this color (4.94:1).
About this color
#2E8B57 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.119 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. It is the named color Sea Green. Black text reads best on it, at 4.94:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Sea Green |
| Black text | 4.94:1 |
| White text | 4.24:1 |
Colors that go with Sea Green
Matches found by rotating Sea Green around the OKLCH hue wheel, each labelled with the closest name in our list.
Complementary
The opposite hue (180°).
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Sea Green
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Sea Green, closest first.
Similar named colors
The eight named colors closest to Sea Green, with their ΔE distance.
- Viridian #1E9167 ΔE 0.023
- Light Forest Green #4F9153 ΔE 0.035
- Fern Green #548D44 ΔE 0.038
- Dark Sage #598556 ΔE 0.039
- Jungle Green #048243 ΔE 0.041
- Ocean Green #3D9973 ΔE 0.053
- Kelley Green #009337 ΔE 0.055
- Moss Green #658B38 ΔE 0.056
More about Sea Green
How to make Sea Green
A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.
- 4 parts blue
- 3 parts yellow
- 1 part white
Recipe result: #3D8B54, a difference of ΔE 0.010 from Sea Green. That is very close: most people will not see the difference.
Codes for Sea Green in every format
| HEX | #2E8B57 |
| RGB | rgb(46, 139, 87) |
| HSL | hsl(146, 50%, 36%) |
| OKLCH | oklch(56.9% 0.119 154.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #2E8B57 | 4.24:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #2E8B57 | 4.94:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #2E8B57 text on white | 4.24:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #2E8B57 text on black | 4.94:1 | AA | Lc -32.7 | Non-text elements, placeholder text |
Shades and tints of Sea Green
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CBDFD1
oklch(88.5% 0.029 155.2)
-
Step 300
300
#A6CBB2
oklch(80.8% 0.053 155.5)
-
Step 400
400
#74B189
oklch(70.8% 0.086 154.8)
-
Step 500
500
#4C9D6C
oklch(63.1% 0.109 155)
-
Step 600
600 (this color)
#2E8B57
oklch(56.9% 0.119 154.9)
-
Step 700
700
#1A7244
oklch(49% 0.109 155.2)
-
Step 800
800
#195D38
oklch(42.6% 0.091 155.1)
-
Step 900
900
#1D4D30
oklch(37.8% 0.072 154.3)
-
Step 950
950
#122D1D
oklch(27% 0.045 155.8)
Sea Green with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #8B8054 | 0.106 |
| Deuteranopia (no green cones) | #7F775A | 0.104 |
| Tritanopia (no blue cones) | #008A7E | 0.058 |
| Achromatopsia (no color) | #7B7B7B | 0.120 |
Use Sea Green in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.