#0A2109
Closest named color: Dark Forest Green (#002D04). oklch(22.2% 0.053 142.8), rgb(10, 33, 9).
Aa
White text reads best on this color (17.01:1).
About this color
#0A2109 is a very dark, muted green. In OKLCH its lightness is 22%, its chroma 0.053 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.047 away. White text reads best on it, at 17.01:1.
| Hue family | Greens |
| Lightness | very dark (22%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.23:1 |
| White text | 17.01:1 |
Values
| HEX | #0A2109 |
| RGB | rgb(10, 33, 9) |
| HSL | hsl(118, 57%, 8%) |
| OKLCH | oklch(22.2% 0.053 142.8) |
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 #0A2109 | 17.01:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #0A2109 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #0A2109 text on white | 17.01:1 | AAA | Lc 103.8 | Preferred for body text |
| #0A2109 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
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CCDFCB
oklch(88.4% 0.034 143.9)
-
Step 300
300
#AACCA7
oklch(81% 0.063 142.8)
-
Step 400
400
#7BB177
oklch(70.8% 0.1 142.8)
-
Step 500
500
#579D53
oklch(63.2% 0.128 142.8)
-
Step 600
600
#3A8737
oklch(55.6% 0.138 142.8)
-
Step 700
700
#2B7229
oklch(49% 0.129 142.9)
-
Step 800
800
#255D23
oklch(42.6% 0.107 142.8)
-
Step 900
900
#244C22
oklch(37.6% 0.082 142.8)
-
Step 950
950 (this color)
#0A2109
oklch(22.2% 0.053 142.8)
#0A2109 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) | #221D07 | 0.039 |
| Deuteranopia (no green cones) | #1F1B0B | 0.039 |
| Tritanopia (no blue cones) | #07201C | 0.034 |
| Achromatopsia (no color) | #1C1C1C | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A2109
#0A2109
oklch(22.2% 0.053 142.8)
- #261229
#261229
oklch(22.2% 0.051 322.2)
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 #0A2109, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.047
- Very Dark Green #062E03 ΔE 0.051
- Jet #212529 ΔE 0.069
- Rich Black #0D1B2A ΔE 0.073
- Dark Brown #341C02 ΔE 0.075
- Rich Navy #001219 ΔE 0.077
- Dark #1B2431 ΔE 0.078
- Almost Black #070D0D ΔE 0.084
Use #0A2109 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.