#255E21
Closest named color: Pine (#2B5D34). oklch(42.9% 0.11 142.3), rgb(37, 94, 33).
Aa
White text reads best on this color (7.77:1).
About this color
#255E21 is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.110 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.026 away. White text reads best on it, at 7.77:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.70:1 |
| White text | 7.77:1 |
Values
| HEX | #255E21 |
| RGB | rgb(37, 94, 33) |
| HSL | hsl(116, 48%, 25%) |
| OKLCH | oklch(42.9% 0.11 142.3) |
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 #255E21 | 7.77:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #255E21 | 2.70:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #255E21 text on white | 7.77:1 | AAA | Lc 86.7 | Fine for body text |
| #255E21 text on black | 2.70:1 | Fails | Lc -15.4 | Dividers and decoration only |
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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CCE0CA
oklch(88.6% 0.037 142.7)
-
Step 300
300
#A9CCA5
oklch(80.9% 0.066 142.2)
-
Step 400
400
#7AB175
oklch(70.7% 0.103 142.4)
-
Step 500
500
#569D50
oklch(63.1% 0.132 142.3)
-
Step 600
600
#388733
oklch(55.5% 0.143 142.4)
-
Step 700
700
#2A7325
oklch(49.2% 0.134 142.2)
-
Step 800
800 (this color)
#255E21
oklch(42.9% 0.11 142.3)
-
Step 900
900
#234D20
oklch(37.8% 0.087 142.4)
-
Step 950
950
#152D13
oklch(27% 0.055 142.3)
#255E21 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) | #60551A | 0.079 |
| Deuteranopia (no green cones) | #595026 | 0.080 |
| Tritanopia (no blue cones) | #1C5B51 | 0.072 |
| Achromatopsia (no color) | #525252 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255E21
#255E21
oklch(42.9% 0.11 142.3)
- #6B3873
#6B3873
oklch(42.9% 0.11 322)
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 #255E21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.026
- Spruce #0A5F38 ΔE 0.028
- Deep Green #02590F ΔE 0.032
- Navy Green #35530A ΔE 0.035
- Dark Green #006400 ΔE 0.039
- Forest #0B5509 ΔE 0.040
- Army Green #4B5D16 ΔE 0.042
- Camouflage Green #4B6113 ΔE 0.045
Use #255E21 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.