#0A251A
Closest named color: Jet (#212529). oklch(24% 0.039 163.8), rgb(10, 37, 26).
Aa
White text reads best on this color (16.24:1).
About this color
#0A251A is a very dark, muted green. In OKLCH its lightness is 24%, its chroma 0.039 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.046 away. White text reads best on it, at 16.24:1.
| Hue family | Greens |
| Lightness | very dark (24%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.29:1 |
| White text | 16.24:1 |
Values
| HEX | #0A251A |
| RGB | rgb(10, 37, 26) |
| HSL | hsl(156, 57%, 9%) |
| OKLCH | oklch(24% 0.039 163.8) |
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 #0A251A | 16.24:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #0A251A | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #0A251A text on white | 16.24:1 | AAA | Lc 103.1 | Preferred for body text |
| #0A251A text on black | 1.29:1 | 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
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CADFD4
oklch(88.5% 0.027 163.1)
-
Step 300
300
#A6CBB8
oklch(81% 0.048 162.8)
-
Step 400
400
#74B094
oklch(70.8% 0.075 163.6)
-
Step 500
500
#4B9C7A
oklch(63.2% 0.096 163.9)
-
Step 600
600
#278662
oklch(55.6% 0.104 163.6)
-
Step 700
700
#187151
oklch(49% 0.096 163.7)
-
Step 800
800
#185C43
oklch(42.6% 0.079 164.3)
-
Step 900
900
#1C4C38
oklch(37.7% 0.063 163.2)
-
Step 950
950 (this color)
#0A251A
oklch(24% 0.039 163.8)
#0A251A 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) | #242219 | 0.038 |
| Deuteranopia (no green cones) | #201F1B | 0.037 |
| Tritanopia (no blue cones) | #022522 | 0.016 |
| Achromatopsia (no color) | #202020 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A251A
#0A251A
oklch(24% 0.039 163.8)
- #2C1724
#2C1724
oklch(23.9% 0.04 342.8)
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 #0A251A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.046
- Dark Forest Green #002D04 ΔE 0.051
- Dark #1B2431 ΔE 0.053
- Very Dark Green #062E03 ΔE 0.054
- Rich Black #0D1B2A ΔE 0.056
- Oxford Blue #1B263B ΔE 0.069
- Dark Brown #341C02 ΔE 0.073
- Pakistan Green #283618 ΔE 0.078
Use #0A251A 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.