#0A2101
Closest named color: Dark Forest Green (#002D04). oklch(22% 0.064 137), rgb(10, 33, 1).
Aa
White text reads best on this color (17.06:1).
About this color
#0A2101 is a very dark, muted green. In OKLCH its lightness is 22%, its chroma 0.064 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.043 away. White text reads best on it, at 17.06:1.
| Hue family | Greens |
| Lightness | very dark (22%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.23:1 |
| White text | 17.06:1 |
Values
| HEX | #0A2101 |
| RGB | rgb(10, 33, 1) |
| HSL | hsl(103, 94%, 7%) |
| OKLCH | oklch(22% 0.064 137) |
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 #0A2101 | 17.06:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #0A2101 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #0A2101 text on white | 17.06:1 | AAA | Lc 103.8 | Preferred for body text |
| #0A2101 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E3EEDF
oklch(93.7% 0.023 137.2)
-
Step 200
200
#CCE0C5
oklch(88.4% 0.042 137.5)
-
Step 300
300
#AACD9C
oklch(81% 0.077 136.9)
-
Step 400
400
#7BB265
oklch(70.7% 0.121 137.2)
-
Step 500
500
#589E36
oklch(63.1% 0.155 137)
-
Step 600
600
#3B8800
oklch(55.6% 0.169 137.1)
-
Step 700
700
#317200
oklch(49% 0.148 136.9)
-
Step 800
800
#275E00
oklch(42.7% 0.129 137)
-
Step 900
900
#244D0F
oklch(37.6% 0.101 137.2)
-
Step 950
950 (this color)
#0A2101
oklch(22% 0.064 137)
#0A2101 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) | #231D00 | 0.042 |
| Deuteranopia (no green cones) | #201B03 | 0.041 |
| Tritanopia (no blue cones) | #091F1A | 0.045 |
| Achromatopsia (no color) | #1C1C1C | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A2101
#0A2101
oklch(22% 0.064 137)
- #260F2E
#260F2E
oklch(22% 0.064 316.6)
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 #0A2101, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.043
- Very Dark Green #062E03 ΔE 0.047
- Dark Brown #341C02 ΔE 0.078
- Jet #212529 ΔE 0.080
- Rich Black #0D1B2A ΔE 0.085
- Rich Navy #001219 ΔE 0.086
- Dark #1B2431 ΔE 0.090
- Almost Black #070D0D ΔE 0.091
Use #0A2101 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.