#258F5E
Closest named color: Viridian (#1E9167). oklch(57.9% 0.121 158.3), rgb(37, 143, 94).
Aa
Black text reads best on this color (5.16:1).
About this color
#258F5E is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.121 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.012 away. Black text reads best on it, at 5.16:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.16:1 |
| White text | 4.06:1 |
Values
| HEX | #258F5E |
| RGB | rgb(37, 143, 94) |
| HSL | hsl(152, 59%, 35%) |
| OKLCH | oklch(57.9% 0.121 158.3) |
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 #258F5E | 4.06:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #258F5E | 5.16:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #258F5E text on white | 4.06:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #258F5E text on black | 5.16:1 | AA | Lc -34.2 | 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
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#C9E0D2
oklch(88.6% 0.031 159)
-
Step 300
300
#A4CCB4
oklch(81% 0.054 158.6)
-
Step 400
400
#70B18C
oklch(70.6% 0.086 158.3)
-
Step 500
500
#449E70
oklch(63.2% 0.112 158.4)
-
Step 600
600 (this color)
#258F5E
oklch(57.9% 0.121 158.3)
-
Step 700
700
#057348
oklch(49% 0.112 158.6)
-
Step 800
800
#0E5E3B
oklch(42.7% 0.093 158.3)
-
Step 900
900
#174D33
oklch(37.7% 0.072 158.8)
-
Step 950
950
#102D1E
oklch(27% 0.045 158.6)
#258F5E 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) | #8E845B | 0.112 |
| Deuteranopia (no green cones) | #807A61 | 0.109 |
| Tritanopia (no blue cones) | #008E82 | 0.054 |
| Achromatopsia (no color) | #7E7E7E | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #258F5E
#258F5E
oklch(57.9% 0.121 158.3)
- #A75B92
#A75B92
oklch(57.8% 0.121 338.4)
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 #258F5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.012
- Sea Green #2E8B57 ΔE 0.013
- Light Forest Green #4F9153 ΔE 0.033
- Fern Green #548D44 ΔE 0.041
- Ocean Green #3D9973 ΔE 0.043
- Dark Sage #598556 ΔE 0.045
- Jungle Green #048243 ΔE 0.051
- Kelley Green #009337 ΔE 0.055
Use #258F5E 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.