#21690B
Closest named color: Dark Green (#006400). oklch(45.8% 0.141 140.1), rgb(33, 105, 11).
Aa
White text reads best on this color (6.79:1).
About this color
#21690B is a medium-dark, vivid green. In OKLCH its lightness is 46%, its chroma 0.141 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.024 away. White text reads best on it, at 6.79:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 3.09:1 |
| White text | 6.79:1 |
Values
| HEX | #21690B |
| RGB | rgb(33, 105, 11) |
| HSL | hsl(106, 81%, 23%) |
| OKLCH | oklch(45.8% 0.141 140.1) |
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 #21690B | 6.79:1 | AA | Lc -88.1 | Fine for body text |
| Black text on #21690B | 3.09:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #21690B text on white | 6.79:1 | AA | Lc 83.0 | Fine for body text |
| #21690B text on black | 3.09:1 | AA large text | Lc -18.9 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDF
oklch(93.6% 0.024 139.4)
-
Step 200
200
#CAE1C5
oklch(88.5% 0.045 140.1)
-
Step 300
300
#A5CE9C
oklch(80.9% 0.081 140)
-
Step 400
400
#72B463
oklch(70.6% 0.132 139.9)
-
Step 500
500
#49A134
oklch(63.2% 0.168 140.1)
-
Step 600
600
#278A00
oklch(55.5% 0.179 140.1)
-
Step 700
700
#207500
oklch(49.3% 0.159 140.1)
-
Step 800
800 (this color)
#21690B
oklch(45.8% 0.141 140.1)
-
Step 900
900
#1B4F0D
oklch(37.8% 0.11 140)
-
Step 950
950
#112E0A
oklch(26.9% 0.07 140)
#21690B 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) | #6C5E00 | 0.095 |
| Deuteranopia (no green cones) | #645918 | 0.095 |
| Tritanopia (no blue cones) | #156559 | 0.096 |
| Achromatopsia (no color) | #5B5B5B | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21690B
#21690B
oklch(45.8% 0.141 140.1)
- #793787
#793787
oklch(45.8% 0.141 320.3)
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 #21690B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.024
- Camouflage Green #4B6113 ΔE 0.049
- Deep Green #02590F ΔE 0.057
- Army Green #4B5D16 ΔE 0.057
- Spruce #0A5F38 ΔE 0.061
- Camo Green #526525 ΔE 0.061
- Pine #2B5D34 ΔE 0.063
- Tree Green #2A7E19 ΔE 0.066
Use #21690B 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.