#258864
Closest named color: Sea Green (#2E8B57). oklch(56.1% 0.106 164.2), rgb(37, 136, 100).
Aa
Black text reads best on this color (4.78:1).
About this color
#258864 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.106 and its hue 164°. 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 4.78:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.78:1 |
| White text | 4.38:1 |
Values
| HEX | #258864 |
| RGB | rgb(37, 136, 100) |
| HSL | hsl(158, 57%, 34%) |
| OKLCH | oklch(56.1% 0.106 164.2) |
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 #258864 | 4.38:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #258864 | 4.78:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #258864 text on white | 4.38:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #258864 text on black | 4.78:1 | AA | Lc -31.6 | 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
#CADFD4
oklch(88.5% 0.027 163.1)
-
Step 300
300
#A5CBB8
oklch(80.9% 0.048 163.5)
-
Step 400
400
#72B094
oklch(70.7% 0.077 164.2)
-
Step 500
500
#489C7A
oklch(63.1% 0.098 164.5)
-
Step 600
600 (this color)
#258864
oklch(56.1% 0.106 164.2)
-
Step 700
700
#127252
oklch(49.2% 0.099 164.4)
-
Step 800
800
#155D43
oklch(42.8% 0.082 164.1)
-
Step 900
900
#1A4C38
oklch(37.6% 0.064 163.8)
-
Step 950
950
#112D21
oklch(27.1% 0.041 163.5)
#258864 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) | #857E62 | 0.103 |
| Deuteranopia (no green cones) | #797566 | 0.100 |
| Tritanopia (no blue cones) | #00887E | 0.039 |
| Achromatopsia (no color) | #787878 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #258864
#258864
oklch(56.1% 0.106 164.2)
- #A05A84
#A05A84
oklch(56.2% 0.106 344.2)
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 #258864, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.023
- Viridian #1E9167 ΔE 0.027
- Dark Sage #598556 ΔE 0.042
- Jungle Green #048243 ΔE 0.049
- Light Forest Green #4F9153 ΔE 0.051
- Ocean Green #3D9973 ΔE 0.056
- Dark Cyan #008B8B ΔE 0.057
- Teal #008080 ΔE 0.057
Use #258864 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.