#21521F
Closest named color: Navy Green (#35530A). oklch(39.2% 0.097 142.8), rgb(33, 82, 31).
Aa
White text reads best on this color (9.16:1).
About this color
#21521F is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.097 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.025 away. White text reads best on it, at 9.16:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.29:1 |
| White text | 9.16:1 |
Values
| HEX | #21521F |
| RGB | rgb(33, 82, 31) |
| HSL | hsl(118, 45%, 22%) |
| OKLCH | oklch(39.2% 0.097 142.8) |
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 #21521F | 9.16:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #21521F | 2.29:1 | Fails | Lc 13.1 | Not readable |
| #21521F text on white | 9.16:1 | AAA | Lc 90.9 | Preferred for body text |
| #21521F text on black | 2.29:1 | 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
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#CAE0C8
oklch(88.4% 0.04 142.9)
-
Step 300
300
#A6CDA2
oklch(80.9% 0.073 142.4)
-
Step 400
400
#74B370
oklch(70.7% 0.115 142.9)
-
Step 500
500
#4C9F48
oklch(63% 0.148 142.8)
-
Step 600
600
#298A28
oklch(55.7% 0.161 142.9)
-
Step 700
700
#1A751A
oklch(49.2% 0.15 142.9)
-
Step 800
800
#1A5F18
oklch(42.7% 0.124 142.7)
-
Step 900
900 (this color)
#21521F
oklch(39.2% 0.097 142.8)
-
Step 950
950
#122E11
oklch(27.1% 0.061 143)
#21521F 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) | #544B1A | 0.070 |
| Deuteranopia (no green cones) | #4D4623 | 0.070 |
| Tritanopia (no blue cones) | #1A5047 | 0.061 |
| Achromatopsia (no color) | #484848 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21521F
#21521F
oklch(39.2% 0.097 142.8)
- #5D3163
#5D3163
oklch(39% 0.097 322.7)
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 #21521F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.025
- Forest #0B5509 ΔE 0.029
- Deep Green #02590F ΔE 0.035
- Pine Green #0A481E ΔE 0.040
- Bottle Green #044A05 ΔE 0.041
- Pine #2B5D34 ΔE 0.042
- Darkgreen #054907 ΔE 0.042
- British Racing Green #05480D ΔE 0.043
Use #21521F 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.