#09210B
Closest named color: Dark Forest Green (#002D04). oklch(22.2% 0.051 145.2), rgb(9, 33, 11).
Aa
White text reads best on this color (17.01:1).
About this color
#09210B is a very dark, muted green. In OKLCH its lightness is 22%, its chroma 0.051 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.048 away. White text reads best on it, at 17.01:1.
| Hue family | Greens |
| Lightness | very dark (22%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.23:1 |
| White text | 17.01:1 |
Values
| HEX | #09210B |
| RGB | rgb(9, 33, 11) |
| HSL | hsl(125, 57%, 8%) |
| OKLCH | oklch(22.2% 0.051 145.2) |
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 #09210B | 17.01:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #09210B | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #09210B text on white | 17.01:1 | AAA | Lc 103.8 | Preferred for body text |
| #09210B text on black | 1.23:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE3
oklch(93.6% 0.017 145.4)
-
Step 200
200
#CCDFCC
oklch(88.4% 0.033 145.3)
-
Step 300
300
#A9CCA9
oklch(81% 0.061 145)
-
Step 400
400
#79B17B
oklch(70.7% 0.097 145.3)
-
Step 500
500
#559D59
oklch(63.2% 0.123 145.1)
-
Step 600
600
#36873E
oklch(55.6% 0.134 145.3)
-
Step 700
700
#287230
oklch(49% 0.124 145.2)
-
Step 800
800
#235D28
oklch(42.6% 0.103 145)
-
Step 900
900
#224D25
oklch(37.8% 0.082 145.1)
-
Step 950
950 (this color)
#09210B
oklch(22.2% 0.051 145.2)
#09210B 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) | #221D09 | 0.040 |
| Deuteranopia (no green cones) | #1E1B0D | 0.039 |
| Tritanopia (no blue cones) | #05201C | 0.031 |
| Achromatopsia (no color) | #1C1C1C | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09210B
#09210B
oklch(22.2% 0.051 145.2)
- #271228
#271228
oklch(22.3% 0.051 325.5)
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 #09210B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.048
- Very Dark Green #062E03 ΔE 0.052
- Jet #212529 ΔE 0.067
- Rich Black #0D1B2A ΔE 0.070
- Dark Brown #341C02 ΔE 0.075
- Rich Navy #001219 ΔE 0.075
- Dark #1B2431 ΔE 0.076
- Almost Black #070D0D ΔE 0.083
Use #09210B 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.