#255B39
Closest named color: Pine (#2B5D34). oklch(42.5% 0.081 153.5), rgb(37, 91, 57).
Aa
White text reads best on this color (7.97:1).
About this color
#255B39 is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.081 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.012 away. White text reads best on it, at 7.97:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.63:1 |
| White text | 7.97:1 |
Values
| HEX | #255B39 |
| RGB | rgb(37, 91, 57) |
| HSL | hsl(142, 42%, 25%) |
| OKLCH | oklch(42.5% 0.081 153.5) |
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 #255B39 | 7.97:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #255B39 | 2.63:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #255B39 text on white | 7.97:1 | AAA | Lc 87.4 | Fine for body text |
| #255B39 text on black | 2.63:1 | Fails | Lc -14.7 | 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
#589B6E
oklch(63.2% 0.097 153.4)
-
Step 600
600
#3A8556
oklch(55.6% 0.105 153.7)
-
Step 700
700
#2C7046
oklch(49% 0.097 153.6)
-
Step 800
800 (this color)
#255B39
oklch(42.5% 0.081 153.5)
-
Step 900
900
#244B32
oklch(37.6% 0.062 154.1)
-
Step 950
950
#162C1D
oklch(27% 0.04 153.2)
#255B39 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) | #5B5437 | 0.071 |
| Deuteranopia (no green cones) | #534F3B | 0.068 |
| Tritanopia (no blue cones) | #165A52 | 0.041 |
| Achromatopsia (no color) | #515151 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255B39
#255B39
oklch(42.5% 0.081 153.5)
- #693D61
#693D61
oklch(42.6% 0.08 333.8)
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 #255B39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.012
- Spruce #0A5F38 ΔE 0.019
- Dark Green Blue #1F6357 ΔE 0.045
- Navy Green #35530A ΔE 0.047
- Dark Blue Green #005249 ΔE 0.050
- Army Green #4B5D16 ΔE 0.055
- Deep Green #02590F ΔE 0.055
- Forest #0B5509 ΔE 0.059
Use #255B39 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.