#255A39
Closest named color: Pine (#2B5D34). oklch(42.2% 0.079 153.8), rgb(37, 90, 57).
Aa
White text reads best on this color (8.07:1).
About this color
#255A39 is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.079 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.015 away. White text reads best on it, at 8.07:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.60:1 |
| White text | 8.07:1 |
Values
| HEX | #255A39 |
| RGB | rgb(37, 90, 57) |
| HSL | hsl(143, 42%, 25%) |
| OKLCH | oklch(42.2% 0.079 153.8) |
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 #255A39 | 8.07:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #255A39 | 2.60:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #255A39 text on white | 8.07:1 | AAA | Lc 87.8 | Fine for body text |
| #255A39 text on black | 2.60:1 | Fails | Lc -14.4 | Not readable |
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 800.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CDDED1
oklch(88.4% 0.025 152.8)
-
Step 300
300
#AACAB3
oklch(80.9% 0.047 154)
-
Step 400
400
#7CAF8B
oklch(70.8% 0.075 153.4)
-
Step 500
500
#589A6F
oklch(63% 0.094 154.2)
-
Step 600
600
#3B8557
oklch(55.7% 0.103 154)
-
Step 700
700
#2D7047
oklch(49% 0.095 153.9)
-
Step 800
800 (this color)
#255A39
oklch(42.2% 0.079 153.8)
-
Step 900
900
#254B32
oklch(37.7% 0.061 153.5)
-
Step 950
950
#162C1E
oklch(27% 0.039 154.9)
#255A39 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) | #5A5337 | 0.070 |
| Deuteranopia (no green cones) | #534E3B | 0.069 |
| Tritanopia (no blue cones) | #165951 | 0.039 |
| Achromatopsia (no color) | #505050 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255A39
#255A39
oklch(42.2% 0.079 153.8)
- #673C5F
#673C5F
oklch(42.1% 0.079 334)
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 #255A39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.015
- Spruce #0A5F38 ΔE 0.021
- Dark Green Blue #1F6357 ΔE 0.046
- Navy Green #35530A ΔE 0.047
- Dark Blue Green #005249 ΔE 0.047
- Deep Green #02590F ΔE 0.056
- Army Green #4B5D16 ΔE 0.057
- Forest #0B5509 ΔE 0.058
Use #255A39 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.