#21703B
Closest named color: Dark Olive Green (#556B2F). oklch(48.4% 0.113 150.5), rgb(33, 112, 59).
Aa
White text reads best on this color (6.09:1).
About this color
#21703B is a medium-dark, moderately saturated green. In OKLCH its lightness is 48%, its chroma 0.113 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.050 away. White text reads best on it, at 6.09:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.44:1 |
| White text | 6.09:1 |
Values
| HEX | #21703B |
| RGB | rgb(33, 112, 59) |
| HSL | hsl(140, 54%, 28%) |
| OKLCH | oklch(48.4% 0.113 150.5) |
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 #21703B | 6.09:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #21703B | 3.44:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #21703B text on white | 6.09:1 | AA | Lc 80.1 | Fine for body text |
| #21703B text on black | 3.44:1 | AA large text | Lc -21.7 | 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 700.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CCDFCF
oklch(88.5% 0.03 150.1)
-
Step 300
300
#A8CBAF
oklch(80.9% 0.054 151)
-
Step 400
400
#78B084
oklch(70.6% 0.087 150.4)
-
Step 500
500
#529C65
oklch(63% 0.111 150.5)
-
Step 600
600
#32874C
oklch(55.7% 0.122 150.5)
-
Step 700
700 (this color)
#21703B
oklch(48.4% 0.113 150.5)
-
Step 800
800
#205D33
oklch(42.7% 0.093 150.7)
-
Step 900
900
#204C2D
oklch(37.6% 0.072 151.1)
-
Step 950
950
#142D1A
oklch(27.1% 0.047 150)
#21703B 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) | #716637 | 0.095 |
| Deuteranopia (no green cones) | #675F3F | 0.094 |
| Tritanopia (no blue cones) | #006E63 | 0.061 |
| Achromatopsia (no color) | #626262 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21703B
#21703B
oklch(48.4% 0.113 150.5)
- #82447C
#82447C
oklch(48.4% 0.114 330.8)
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 #21703B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.050
- Camo Green #526525 ΔE 0.052
- Jungle Green #048243 ΔE 0.054
- Camouflage Green #4B6113 ΔE 0.056
- Spruce #0A5F38 ΔE 0.058
- Pine #2B5D34 ΔE 0.059
- Tree Green #2A7E19 ΔE 0.062
- Dark Green #006400 ΔE 0.062
Use #21703B 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.