#0A550B
Closest named color: Forest (#0B5509). oklch(39.2% 0.125 142.8), rgb(10, 85, 11).
Aa
White text reads best on this color (9.06:1).
About this color
#0A550B is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.125 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.001 away. White text reads best on it, at 9.06:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.31:1 |
| White text | 9.06:1 |
Values
| HEX | #0A550B |
| RGB | rgb(10, 85, 11) |
| HSL | hsl(121, 79%, 19%) |
| OKLCH | oklch(39.2% 0.125 142.8) |
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 #0A550B | 9.06:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #0A550B | 2.31:1 | Fails | Lc 13.7 | Not readable |
| #0A550B text on white | 9.06:1 | AAA | Lc 90.3 | Preferred for body text |
| #0A550B text on black | 2.31:1 | Fails | Lc -12.0 | Not readable |
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 900.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDE
oklch(93.6% 0.028 142)
-
Step 200
200
#C6E3C3
oklch(88.6% 0.053 142.6)
-
Step 300
300
#9DD199
oklch(81% 0.094 142.9)
-
Step 400
400
#63B85F
oklch(70.8% 0.15 142.9)
-
Step 500
500
#2AA52A
oklch(63.2% 0.191 142.9)
-
Step 600
600
#008C08
oklch(55.5% 0.187 142.8)
-
Step 700
700
#007606
oklch(49% 0.165 142.9)
-
Step 800
800
#006104
oklch(42.7% 0.144 142.9)
-
Step 900
900 (this color)
#0A550B
oklch(39.2% 0.125 142.8)
-
Step 950
950
#082F07
oklch(26.8% 0.079 142.6)
#0A550B 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) | #574C00 | 0.088 |
| Deuteranopia (no green cones) | #4F4614 | 0.089 |
| Tritanopia (no blue cones) | #005247 | 0.080 |
| Achromatopsia (no color) | #494949 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A550B
#0A550B
oklch(39.2% 0.125 142.8)
- #64296B
#64296B
oklch(39.3% 0.124 323.3)
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 #0A550B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.001
- Deep Green #02590F ΔE 0.012
- Navy Green #35530A ΔE 0.035
- Bottle Green #044A05 ΔE 0.037
- Darkgreen #054907 ΔE 0.041
- British Racing Green #05480D ΔE 0.045
- Dark Green #006400 ΔE 0.050
- Racing Green #014600 ΔE 0.051
Use #0A550B 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.