#25521B
Closest named color: Navy Green (#35530A). oklch(39.3% 0.098 140.2), rgb(37, 82, 27).
Aa
White text reads best on this color (9.12:1).
About this color
#25521B is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.098 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.021 away. White text reads best on it, at 9.12:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.30:1 |
| White text | 9.12:1 |
Values
| HEX | #25521B |
| RGB | rgb(37, 82, 27) |
| HSL | hsl(109, 50%, 21%) |
| OKLCH | oklch(39.3% 0.098 140.2) |
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 #25521B | 9.12:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #25521B | 2.30:1 | Fails | Lc 13.2 | Not readable |
| #25521B text on white | 9.12:1 | AAA | Lc 90.8 | Preferred for body text |
| #25521B text on black | 2.30:1 | Fails | Lc -11.5 | 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
#E3EEE0
oklch(93.7% 0.022 139)
-
Step 200
200
#CBE0C7
oklch(88.4% 0.041 140.7)
-
Step 300
300
#A8CDA0
oklch(81% 0.074 140.1)
-
Step 400
400
#78B36B
oklch(70.8% 0.118 140)
-
Step 500
500
#529F41
oklch(63.2% 0.151 140.1)
-
Step 600
600
#33891C
oklch(55.7% 0.164 140.1)
-
Step 700
700
#24740C
oklch(49.1% 0.152 140.2)
-
Step 800
800
#205E10
oklch(42.6% 0.125 140.2)
-
Step 900
900 (this color)
#25521B
oklch(39.3% 0.098 140.2)
-
Step 950
950
#142E0F
oklch(27.2% 0.062 140.5)
#25521B 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) | #544B15 | 0.066 |
| Deuteranopia (no green cones) | #4E471F | 0.066 |
| Tritanopia (no blue cones) | #204F46 | 0.066 |
| Achromatopsia (no color) | #484848 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25521B
#25521B
oklch(39.3% 0.098 140.2)
- #5D3266
#5D3266
oklch(39.4% 0.098 320.5)
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 #25521B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.021
- Forest #0B5509 ΔE 0.028
- Deep Green #02590F ΔE 0.033
- Bottle Green #044A05 ΔE 0.042
- Pine Green #0A481E ΔE 0.043
- Pine #2B5D34 ΔE 0.043
- Darkgreen #054907 ΔE 0.043
- British Racing Green #05480D ΔE 0.045
Use #25521B 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.