#21531E
Closest named color: Navy Green (#35530A). oklch(39.5% 0.099 142.5), rgb(33, 83, 30).
Aa
White text reads best on this color (9.04:1).
About this color
#21531E is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.099 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 0.023 away. White text reads best on it, at 9.04:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.32:1 |
| White text | 9.04:1 |
Values
| HEX | #21531E |
| RGB | rgb(33, 83, 30) |
| HSL | hsl(117, 47%, 22%) |
| OKLCH | oklch(39.5% 0.099 142.5) |
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 #21531E | 9.04:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #21531E | 2.32:1 | Fails | Lc 13.4 | Not readable |
| #21531E text on white | 9.04:1 | AAA | Lc 90.5 | Preferred for body text |
| #21531E text on black | 2.32:1 | Fails | Lc -11.8 | 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
#CAE1C8
oklch(88.6% 0.042 143)
-
Step 300
300
#A5CDA1
oklch(80.8% 0.074 142.5)
-
Step 400
400
#73B36E
oklch(70.6% 0.118 142.6)
-
Step 500
500
#4BA045
oklch(63.2% 0.152 142.4)
-
Step 600
600
#278A23
oklch(55.6% 0.165 142.5)
-
Step 700
700
#187515
oklch(49.2% 0.153 142.5)
-
Step 800
800
#185F15
oklch(42.6% 0.127 142.5)
-
Step 900
900 (this color)
#21531E
oklch(39.5% 0.099 142.5)
-
Step 950
950
#122E10
oklch(27.1% 0.063 142.4)
#21531E 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) | #554B19 | 0.072 |
| Deuteranopia (no green cones) | #4E4722 | 0.070 |
| Tritanopia (no blue cones) | #1A5047 | 0.064 |
| Achromatopsia (no color) | #494949 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21531E
#21531E
oklch(39.5% 0.099 142.5)
- #5F3265
#5F3265
oklch(39.6% 0.099 322.8)
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 #21531E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.023
- Forest #0B5509 ΔE 0.026
- Deep Green #02590F ΔE 0.031
- Pine #2B5D34 ΔE 0.041
- Spruce #0A5F38 ΔE 0.042
- Bottle Green #044A05 ΔE 0.043
- Pine Green #0A481E ΔE 0.043
- Darkgreen #054907 ΔE 0.044
Use #21531E 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.