#21673C
Closest named color: Spruce (#0A5F38). oklch(45.8% 0.099 152.9), rgb(33, 103, 60).
Aa
White text reads best on this color (6.84:1).
About this color
#21673C is a medium-dark, moderately saturated green. In OKLCH its lightness is 46%, its chroma 0.099 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.030 away. White text reads best on it, at 6.84:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 3.07:1 |
| White text | 6.84:1 |
Values
| HEX | #21673C |
| RGB | rgb(33, 103, 60) |
| HSL | hsl(143, 51%, 27%) |
| OKLCH | oklch(45.8% 0.099 152.9) |
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 #21673C | 6.84:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #21673C | 3.07:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #21673C text on white | 6.84:1 | AA | Lc 83.3 | Fine for body text |
| #21673C text on black | 3.07:1 | AA large text | Lc -18.6 | 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
#CAE0CF
oklch(88.6% 0.033 152.4)
-
Step 300
300
#A5CCAF
oklch(80.9% 0.058 152.8)
-
Step 400
400
#72B285
oklch(70.8% 0.093 152.9)
-
Step 500
500
#499E66
oklch(63.2% 0.118 152.7)
-
Step 600
600
#24884D
oklch(55.6% 0.128 152.8)
-
Step 700
700
#13733E
oklch(49% 0.119 152.9)
-
Step 800
800 (this color)
#21673C
oklch(45.8% 0.099 152.9)
-
Step 900
900
#1B4D2D
oklch(37.7% 0.077 152.6)
-
Step 950
950
#112D1B
oklch(26.9% 0.048 153.5)
#21673C 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) | #675E39 | 0.086 |
| Deuteranopia (no green cones) | #5E583F | 0.084 |
| Tritanopia (no blue cones) | #02665C | 0.050 |
| Achromatopsia (no color) | #5B5B5B | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21673C
#21673C
oklch(45.8% 0.099 152.9)
- #77416F
#77416F
oklch(45.8% 0.098 332.7)
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 #21673C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.030
- Pine #2B5D34 ΔE 0.030
- Dark Green Blue #1F6357 ΔE 0.047
- Camouflage Green #4B6113 ΔE 0.050
- Camo Green #526525 ΔE 0.052
- Army Green #4B5D16 ΔE 0.052
- Dark Olive Green #556B2F ΔE 0.058
- Dark Green #006400 ΔE 0.059
Use #21673C 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.