#255121
Closest named color: Navy Green (#35530A). oklch(39.1% 0.091 142.1), rgb(37, 81, 33).
Aa
White text reads best on this color (9.22:1).
About this color
#255121 is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.091 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.026 away. White text reads best on it, at 9.22:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.27:1 |
| White text | 9.22:1 |
Values
| HEX | #255121 |
| RGB | rgb(37, 81, 33) |
| HSL | hsl(115, 42%, 22%) |
| OKLCH | oklch(39.1% 0.091 142.1) |
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 #255121 | 9.22:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #255121 | 2.27:1 | Fails | Lc 12.9 | Not readable |
| #255121 text on white | 9.22:1 | AAA | Lc 91.1 | Preferred for body text |
| #255121 text on black | 2.27:1 | Fails | Lc -11.3 | 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 900.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE1
oklch(93.5% 0.019 140.5)
-
Step 200
200
#CCE0C9
oklch(88.5% 0.038 141.6)
-
Step 300
300
#A8CCA4
oklch(80.8% 0.067 142.3)
-
Step 400
400
#78B272
oklch(70.7% 0.109 142.1)
-
Step 500
500
#539E4C
oklch(63.1% 0.139 142.1)
-
Step 600
600
#34882D
oklch(55.6% 0.151 142)
-
Step 700
700
#25731F
oklch(49% 0.141 142.1)
-
Step 800
800
#215E1C
oklch(42.7% 0.117 142.1)
-
Step 900
900 (this color)
#255121
oklch(39.1% 0.091 142.1)
-
Step 950
950
#142D12
oklch(26.9% 0.057 142.3)
#255121 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) | #534A1D | 0.065 |
| Deuteranopia (no green cones) | #4D4624 | 0.065 |
| Tritanopia (no blue cones) | #204F46 | 0.058 |
| Achromatopsia (no color) | #474747 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255121
#255121
oklch(39.1% 0.091 142.1)
- #5B3362
#5B3362
oklch(39.1% 0.091 321.5)
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 #255121, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.026
- Forest #0B5509 ΔE 0.035
- Pine Green #0A481E ΔE 0.039
- Deep Green #02590F ΔE 0.040
- Pine #2B5D34 ΔE 0.042
- Bottle Green #044A05 ΔE 0.044
- Darkgreen #054907 ΔE 0.044
- British Racing Green #05480D ΔE 0.045
Use #255121 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.