#2B8A51
Closest named color: Sea Green (#2E8B57). oklch(56.4% 0.124 153), rgb(43, 138, 81).
Aa
Black text reads best on this color (4.85:1).
About this color
#2B8A51 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.124 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.009 away. Black text reads best on it, at 4.85:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.85:1 |
| White text | 4.32:1 |
Values
| HEX | #2B8A51 |
| RGB | rgb(43, 138, 81) |
| HSL | hsl(144, 52%, 35%) |
| OKLCH | oklch(56.4% 0.124 153) |
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 #2B8A51 | 4.32:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #2B8A51 | 4.85:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #2B8A51 text on white | 4.32:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #2B8A51 text on black | 4.85:1 | AA | Lc -32.1 | 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
#CADFD0
oklch(88.4% 0.03 154.6)
-
Step 300
300
#A6CCB0
oklch(81% 0.056 153.1)
-
Step 400
400
#74B186
oklch(70.7% 0.089 153)
-
Step 500
500
#4B9D68
oklch(63% 0.114 153.3)
-
Step 600
600 (this color)
#2B8A51
oklch(56.4% 0.124 153)
-
Step 700
700
#187340
oklch(49.1% 0.116 153.3)
-
Step 800
800
#195E35
oklch(42.8% 0.096 153)
-
Step 900
900
#1C4D2E
oklch(37.7% 0.075 153.1)
-
Step 950
950
#122D1B
oklch(27% 0.047 152.8)
#2B8A51 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) | #8A7F4D | 0.107 |
| Deuteranopia (no green cones) | #7E7655 | 0.106 |
| Tritanopia (no blue cones) | #00887C | 0.065 |
| Achromatopsia (no color) | #797979 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B8A51
#2B8A51
oklch(56.4% 0.124 153)
- #A05795
#A05795
oklch(56.4% 0.125 332.9)
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 #2B8A51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.009
- Viridian #1E9167 ΔE 0.030
- Jungle Green #048243 ΔE 0.034
- Fern Green #548D44 ΔE 0.037
- Light Forest Green #4F9153 ΔE 0.038
- Dark Sage #598556 ΔE 0.044
- Kelley Green #009337 ΔE 0.049
- Forest Green #228B22 ΔE 0.052
Use #2B8A51 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.