#238F57
Closest named color: Sea Green (#2E8B57). oklch(57.7% 0.128 155.4), rgb(35, 143, 87).
Aa
Black text reads best on this color (5.13:1).
About this color
#238F57 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.128 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.013 away. Black text reads best on it, at 5.13:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.13:1 |
| White text | 4.08:1 |
Values
| HEX | #238F57 |
| RGB | rgb(35, 143, 87) |
| HSL | hsl(149, 61%, 35%) |
| OKLCH | oklch(57.7% 0.128 155.4) |
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 #238F57 | 4.08:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #238F57 | 5.13:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #238F57 text on white | 4.08:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #238F57 text on black | 5.13:1 | AA | Lc -34.0 | Non-text elements, placeholder text |
Tints and shades
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
#C9E0D0
oklch(88.5% 0.033 155.3)
-
Step 300
300
#A4CCB1
oklch(80.9% 0.057 155.4)
-
Step 400
400
#6FB288
oklch(70.7% 0.092 155.7)
-
Step 500
500
#439E6A
oklch(63% 0.118 155.6)
-
Step 600
600 (this color)
#238F57
oklch(57.7% 0.128 155.4)
-
Step 700
700
#037442
oklch(49.2% 0.119 155.5)
-
Step 800
800
#0D5E36
oklch(42.6% 0.099 155.3)
-
Step 900
900
#174D2F
oklch(37.6% 0.077 155.3)
-
Step 950
950
#0F2D1C
oklch(26.9% 0.048 156.1)
#238F57 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) | #8E8353 | 0.114 |
| Deuteranopia (no green cones) | #817A5B | 0.112 |
| Tritanopia (no blue cones) | #008D81 | 0.063 |
| Achromatopsia (no color) | #7E7E7E | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #238F57
#238F57
oklch(57.7% 0.128 155.4)
- #A75997
#A75997
oklch(57.7% 0.129 335.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #238F57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.013
- Viridian #1E9167 ΔE 0.021
- Light Forest Green #4F9153 ΔE 0.032
- Fern Green #548D44 ΔE 0.037
- Kelley Green #009337 ΔE 0.045
- Jungle Green #048243 ΔE 0.046
- Dark Sage #598556 ΔE 0.049
- Ocean Green #3D9973 ΔE 0.049
Use #238F57 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.