#10281B
Closest named color: Jet (#212529). oklch(25.3% 0.039 158.2), rgb(16, 40, 27).
Aa
White text reads best on this color (15.65:1).
About this color
#10281B is a dark, muted green. In OKLCH its lightness is 25%, its chroma 0.039 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.042 away. White text reads best on it, at 15.65:1.
| Hue family | Greens |
| Lightness | dark (25%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.34:1 |
| White text | 15.65:1 |
Values
| HEX | #10281B |
| RGB | rgb(16, 40, 27) |
| HSL | hsl(148, 43%, 11%) |
| OKLCH | oklch(25.3% 0.039 158.2) |
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 #10281B | 15.65:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #10281B | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #10281B text on white | 15.65:1 | AAA | Lc 102.5 | Preferred for body text |
| #10281B text on black | 1.34:1 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CCDFD3
oklch(88.6% 0.026 158.1)
-
Step 300
300
#A8CAB5
oklch(80.8% 0.047 158.1)
-
Step 400
400
#78AF8F
oklch(70.7% 0.075 158.3)
-
Step 500
500
#539B73
oklch(63.1% 0.095 157.8)
-
Step 600
600
#33855C
oklch(55.5% 0.103 158.4)
-
Step 700
700
#24714B
oklch(49.1% 0.097 157.9)
-
Step 800
800
#215C3E
oklch(42.7% 0.079 158)
-
Step 900
900
#214C35
oklch(37.8% 0.063 158)
-
Step 950
950 (this color)
#10281B
oklch(25.3% 0.039 158.2)
#10281B 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) | #28251A | 0.037 |
| Deuteranopia (no green cones) | #24221C | 0.036 |
| Tritanopia (no blue cones) | #0A2824 | 0.017 |
| Achromatopsia (no color) | #232323 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10281B
#10281B
oklch(25.3% 0.039 158.2)
- #2F1B29
#2F1B29
oklch(25.4% 0.039 338.6)
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 #10281B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.042
- Dark Forest Green #002D04 ΔE 0.046
- Very Dark Green #062E03 ΔE 0.047
- Dark #1B2431 ΔE 0.052
- Pakistan Green #283618 ΔE 0.065
- Rich Black #0D1B2A ΔE 0.065
- Oxford Blue #1B263B ΔE 0.067
- Dark Brown #341C02 ΔE 0.069
Use #10281B 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.