#258A61
Closest named color: Sea Green (#2E8B57). oklch(56.6% 0.112 161.5), rgb(37, 138, 97).
Aa
Black text reads best on this color (4.88:1).
About this color
#258A61 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.112 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.015 away. Black text reads best on it, at 4.88:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.88:1 |
| White text | 4.29:1 |
Values
| HEX | #258A61 |
| RGB | rgb(37, 138, 97) |
| HSL | hsl(156, 58%, 34%) |
| OKLCH | oklch(56.6% 0.112 161.5) |
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 #258A61 | 4.29:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #258A61 | 4.88:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #258A61 text on white | 4.29:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #258A61 text on black | 4.88:1 | AA | Lc -32.3 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CADFD3
oklch(88.5% 0.028 160.8)
-
Step 300
300
#A5CBB6
oklch(80.9% 0.05 160.9)
-
Step 400
400
#72B191
oklch(70.8% 0.081 161.3)
-
Step 500
500
#479D76
oklch(63.2% 0.103 161.7)
-
Step 600
600 (this color)
#258A61
oklch(56.6% 0.112 161.5)
-
Step 700
700
#0F724E
oklch(49% 0.103 162)
-
Step 800
800
#135D40
oklch(42.7% 0.085 161.9)
-
Step 900
900
#1A4C36
oklch(37.6% 0.066 161.5)
-
Step 950
950
#112D20
oklch(27.1% 0.042 161.5)
#258A61 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) | #887F5F | 0.107 |
| Deuteranopia (no green cones) | #7B7664 | 0.104 |
| Tritanopia (no blue cones) | #008A7F | 0.045 |
| Achromatopsia (no color) | #7A7A7A | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #258A61
#258A61
oklch(56.6% 0.112 161.5)
- #A25A89
#A25A89
oklch(56.6% 0.112 341.6)
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 #258A61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.015
- Viridian #1E9167 ΔE 0.020
- Dark Sage #598556 ΔE 0.041
- Light Forest Green #4F9153 ΔE 0.045
- Jungle Green #048243 ΔE 0.046
- Fern Green #548D44 ΔE 0.050
- Ocean Green #3D9973 ΔE 0.052
- Dark Cyan #008B8B ΔE 0.062
Use #258A61 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.