#258531
Closest named color: Tree Green (#2A7E19). oklch(54.3% 0.15 145), rgb(37, 133, 49).
Aa
White text reads best on this color (4.68:1).
About this color
#258531 is a medium-dark, vivid green. In OKLCH its lightness is 54%, its chroma 0.150 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.024 away. White text reads best on it, at 4.68:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.47:1 |
| White text | 4.68:1 |
Values
| HEX | #258531 |
| RGB | rgb(37, 133, 49) |
| HSL | hsl(128, 56%, 33%) |
| OKLCH | oklch(54.3% 0.15 145) |
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 #258531 | 4.68:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #258531 | 4.47:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #258531 text on white | 4.68:1 | AA | Lc 72.1 | Content text, not long reading |
| #258531 text on black | 4.47:1 | AA large text | Lc -29.5 | 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
#CBE0CA
oklch(88.5% 0.037 144)
-
Step 300
300
#A6CDA6
oklch(81% 0.068 144.9)
-
Step 400
400
#74B276
oklch(70.6% 0.107 145.1)
-
Step 500
500
#4C9F52
oklch(63.2% 0.138 145.1)
-
Step 600
600 (this color)
#258531
oklch(54.3% 0.15 145)
-
Step 700
700
#1B7427
oklch(49.1% 0.139 145)
-
Step 800
800
#1A5F22
oklch(42.8% 0.116 145)
-
Step 900
900
#1D4E21
oklch(37.8% 0.09 145)
-
Step 950
950
#122E14
oklch(27.1% 0.058 145.2)
#258531 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) | #877928 | 0.111 |
| Deuteranopia (no green cones) | #7C7138 | 0.111 |
| Tritanopia (no blue cones) | #008273 | 0.091 |
| Achromatopsia (no color) | #747474 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #258531
#258531
oklch(54.3% 0.15 145)
- #994C9F
#994C9F
oklch(54.3% 0.149 324.6)
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 #258531, closest first.
No curated palette has a color within ΔE 0.04 of #258531.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.024
- Forest Green #228B22 ΔE 0.025
- Jungle Green #048243 ΔE 0.025
- Dark Grass Green #388004 ΔE 0.026
- Green #008000 ΔE 0.037
- Emerald Green #028F1E ΔE 0.038
- Kelley Green #009337 ΔE 0.041
- Sea Green #2E8B57 ΔE 0.046
Use #258531 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.