#258A46
Closest named color: Sea Green (#2E8B57). oklch(56% 0.137 149.9), rgb(37, 138, 70).
Aa
Black text reads best on this color (4.80:1).
About this color
#258A46 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.137 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.023 away. Black text reads best on it, at 4.80:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.80:1 |
| White text | 4.37:1 |
Values
| HEX | #258A46 |
| RGB | rgb(37, 138, 70) |
| HSL | hsl(140, 58%, 34%) |
| OKLCH | oklch(56% 0.137 149.9) |
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 #258A46 | 4.37:1 | AA large text | Lc -75.4 | Fine for body text |
| Black text on #258A46 | 4.80:1 | AA | Lc 34.2 | Non-text elements, placeholder text |
| #258A46 text on white | 4.37:1 | AA large text | Lc 69.9 | Content text, not long reading |
| #258A46 text on black | 4.80:1 | AA | Lc -31.8 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CD
oklch(88.5% 0.035 149.3)
-
Step 300
300
#A5CCAC
oklch(80.8% 0.061 150.1)
-
Step 400
400
#72B280
oklch(70.7% 0.098 150.2)
-
Step 500
500
#499E5F
oklch(63% 0.125 149.9)
-
Step 600
600 (this color)
#258A46
oklch(56% 0.137 149.9)
-
Step 700
700
#137436
oklch(49.1% 0.128 149.8)
-
Step 800
800
#155E2D
oklch(42.6% 0.106 149.8)
-
Step 900
900
#1A4D29
oklch(37.6% 0.082 150.2)
-
Step 950
950
#112D18
oklch(26.9% 0.052 149.8)
#258A46 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) | #8B7E41 | 0.113 |
| Deuteranopia (no green cones) | #7F754B | 0.112 |
| Tritanopia (no blue cones) | #00877A | 0.077 |
| Achromatopsia (no color) | #797979 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #258A46
#258A46
oklch(56% 0.137 149.9)
- #A0539A
#A0539A
oklch(56% 0.137 330.2)
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 #258A46, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.023
- Jungle Green #048243 ΔE 0.029
- Forest Green #228B22 ΔE 0.037
- Kelley Green #009337 ΔE 0.037
- Fern Green #548D44 ΔE 0.039
- Viridian #1E9167 ΔE 0.043
- Light Forest Green #4F9153 ΔE 0.044
- Emerald Green #028F1E ΔE 0.047
Use #258A46 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.