#237D31
Closest named color: Tree Green (#2A7E19). oklch(52% 0.14 145.7), rgb(35, 125, 49).
Aa
White text reads best on this color (5.18:1).
About this color
#237D31 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.140 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.020 away. White text reads best on it, at 5.18:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.140) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.04:1 |
| White text | 5.18:1 |
Values
| HEX | #237D31 |
| RGB | rgb(35, 125, 49) |
| HSL | hsl(129, 56%, 31%) |
| OKLCH | oklch(52% 0.14 145.7) |
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 #237D31 | 5.18:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #237D31 | 4.04:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #237D31 text on white | 5.18:1 | AA | Lc 75.3 | Fine for body text |
| #237D31 text on black | 4.04:1 | AA large text | Lc -26.4 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE2
oklch(93.7% 0.02 145.4)
-
Step 200
200
#CAE0CB
oklch(88.5% 0.037 146.5)
-
Step 300
300
#A5CDA7
oklch(80.9% 0.068 146.2)
-
Step 400
400
#73B377
oklch(70.8% 0.109 145.8)
-
Step 500
500
#4A9F53
oklch(63.1% 0.138 145.8)
-
Step 600
600
#268936
oklch(55.5% 0.15 145.7)
-
Step 700
700 (this color)
#237D31
oklch(52% 0.14 145.7)
-
Step 800
800
#175F23
oklch(42.8% 0.116 145.8)
-
Step 900
900
#1C4E21
oklch(37.8% 0.091 145.3)
-
Step 950
950
#122E14
oklch(27.1% 0.058 145.2)
#237D31 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) | #7F7129 | 0.107 |
| Deuteranopia (no green cones) | #746A37 | 0.105 |
| Tritanopia (no blue cones) | #007A6C | 0.084 |
| Achromatopsia (no color) | #6D6D6D | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #237D31
#237D31
oklch(52% 0.14 145.7)
- #904894
#904894
oklch(52% 0.139 325.4)
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 #237D31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.020
- Jungle Green #048243 ΔE 0.021
- Dark Grass Green #388004 ΔE 0.032
- Green #008000 ΔE 0.038
- Forest Green #228B22 ΔE 0.048
- Sea Green #2E8B57 ΔE 0.057
- Emerald Green #028F1E ΔE 0.061
- Kelley Green #009337 ΔE 0.065
Use #237D31 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.