#258631
Closest named color: Forest Green (#228B22). oklch(54.6% 0.151 145), rgb(37, 134, 49).
Aa
White text reads best on this color (4.63:1).
About this color
#258631 is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.151 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.022 away. White text reads best on it, at 4.63:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.53:1 |
| White text | 4.63:1 |
Values
| HEX | #258631 |
| RGB | rgb(37, 134, 49) |
| HSL | hsl(127, 57%, 34%) |
| OKLCH | oklch(54.6% 0.151 145) |
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 #258631 | 4.63:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #258631 | 4.53:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #258631 text on white | 4.63:1 | AA | Lc 71.7 | Content text, not long reading |
| #258631 text on black | 4.53:1 | AA | Lc -29.9 | 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 600.
-
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
#CAE0CA
oklch(88.4% 0.038 145.2)
-
Step 300
300
#A6CDA6
oklch(81% 0.068 144.9)
-
Step 400
400
#74B376
oklch(70.8% 0.109 145)
-
Step 500
500
#4C9F51
oklch(63.1% 0.139 144.9)
-
Step 600
600 (this color)
#258631
oklch(54.6% 0.151 145)
-
Step 700
700
#1A7426
oklch(49.1% 0.14 144.9)
-
Step 800
800
#195F21
oklch(42.8% 0.117 144.9)
-
Step 900
900
#1D4E21
oklch(37.8% 0.09 145)
-
Step 950
950
#122E14
oklch(27.1% 0.058 145.2)
#258631 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) | #887928 | 0.113 |
| Deuteranopia (no green cones) | #7D7238 | 0.112 |
| Tritanopia (no blue cones) | #008274 | 0.094 |
| Achromatopsia (no color) | #757575 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #258631
#258631
oklch(54.6% 0.151 145)
- #9B4CA0
#9B4CA0
oklch(54.6% 0.151 325.1)
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 #258631, closest first.
No curated palette has a color within ΔE 0.04 of #258631.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.022
- Tree Green #2A7E19 ΔE 0.026
- Dark Grass Green #388004 ΔE 0.027
- Jungle Green #048243 ΔE 0.027
- Emerald Green #028F1E ΔE 0.036
- Green #008000 ΔE 0.037
- Kelley Green #009337 ΔE 0.038
- Sea Green #2E8B57 ΔE 0.046
Use #258631 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.