#21603D
Closest named color: Pine (#2B5D34). oklch(43.8% 0.087 155.7), rgb(33, 96, 61).
Aa
White text reads best on this color (7.48:1).
About this color
#21603D is a dark, moderately saturated green. In OKLCH its lightness is 44%, its chroma 0.087 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.013 away. White text reads best on it, at 7.48:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.80:1 |
| White text | 7.48:1 |
Values
| HEX | #21603D |
| RGB | rgb(33, 96, 61) |
| HSL | hsl(147, 49%, 25%) |
| OKLCH | oklch(43.8% 0.087 155.7) |
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 #21603D | 7.48:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #21603D | 2.80:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #21603D text on white | 7.48:1 | AAA | Lc 85.8 | Fine for body text |
| #21603D text on black | 2.80:1 | Fails | Lc -16.3 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CBDFD1
oklch(88.5% 0.029 155.2)
-
Step 300
300
#A7CBB3
oklch(80.9% 0.051 155.9)
-
Step 400
400
#76B08B
oklch(70.7% 0.081 155.7)
-
Step 500
500
#4F9C6E
oklch(63.1% 0.104 155.6)
-
Step 600
600
#2E8656
oklch(55.5% 0.112 155.7)
-
Step 700
700
#207246
oklch(49.2% 0.105 155.4)
-
Step 800
800 (this color)
#21603D
oklch(43.8% 0.087 155.7)
-
Step 900
900
#1F4C32
oklch(37.7% 0.067 155.8)
-
Step 950
950
#132D1D
oklch(27.1% 0.044 155)
#21603D 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) | #60583B | 0.079 |
| Deuteranopia (no green cones) | #57523F | 0.077 |
| Tritanopia (no blue cones) | #065F57 | 0.042 |
| Achromatopsia (no color) | #555555 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21603D
#21603D
oklch(43.8% 0.087 155.7)
- #6F3E64
#6F3E64
oklch(43.7% 0.087 335.8)
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 #21603D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.013
- Spruce #0A5F38 ΔE 0.016
- Dark Green Blue #1F6357 ΔE 0.039
- Army Green #4B5D16 ΔE 0.054
- Navy Green #35530A ΔE 0.056
- Camouflage Green #4B6113 ΔE 0.058
- Deep Green #02590F ΔE 0.059
- Dark Blue Green #005249 ΔE 0.060
Use #21603D 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.