#21663D
Closest named color: Pine (#2B5D34). oklch(45.6% 0.096 153.7), rgb(33, 102, 61).
Aa
White text reads best on this color (6.92:1).
About this color
#21663D is a medium-dark, moderately saturated green. In OKLCH its lightness is 46%, its chroma 0.096 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.027 away. White text reads best on it, at 6.92:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 3.03:1 |
| White text | 6.92:1 |
Values
| HEX | #21663D |
| RGB | rgb(33, 102, 61) |
| HSL | hsl(144, 51%, 26%) |
| OKLCH | oklch(45.6% 0.096 153.7) |
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 #21663D | 6.92:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #21663D | 3.03:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #21663D text on white | 6.92:1 | AA | Lc 83.7 | Fine for body text |
| #21663D text on black | 3.03:1 | AA large text | Lc -18.3 | 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
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CAE0D0
oklch(88.6% 0.032 154.1)
-
Step 300
300
#A5CCB0
oklch(80.9% 0.057 153.8)
-
Step 400
400
#73B187
oklch(70.6% 0.089 153.9)
-
Step 500
500
#4A9D68
oklch(63% 0.114 153.5)
-
Step 600
600
#258850
oklch(55.6% 0.125 153.8)
-
Step 700
700
#157340
oklch(49.1% 0.116 153.6)
-
Step 800
800 (this color)
#21663D
oklch(45.6% 0.096 153.7)
-
Step 900
900
#1B4D2E
oklch(37.7% 0.076 153.4)
-
Step 950
950
#112D1B
oklch(26.9% 0.048 153.5)
#21663D 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) | #665E3A | 0.084 |
| Deuteranopia (no green cones) | #5D5740 | 0.083 |
| Tritanopia (no blue cones) | #02655C | 0.049 |
| Achromatopsia (no color) | #5A5A5A | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21663D
#21663D
oklch(45.6% 0.096 153.7)
- #76416D
#76416D
oklch(45.6% 0.095 333.6)
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 #21663D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.027
- Spruce #0A5F38 ΔE 0.027
- Dark Green Blue #1F6357 ΔE 0.044
- Camouflage Green #4B6113 ΔE 0.051
- Army Green #4B5D16 ΔE 0.052
- Camo Green #526525 ΔE 0.053
- Dark Olive Green #556B2F ΔE 0.060
- Dark Green #006400 ΔE 0.061
Use #21663D 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.