#10251A
Closest named color: Jet (#212529). oklch(24.3% 0.035 159.5), rgb(16, 37, 26).
Aa
White text reads best on this color (16.13:1).
About this color
#10251A is a very dark, muted green. In OKLCH its lightness is 24%, its chroma 0.035 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.041 away. White text reads best on it, at 16.13:1.
| Hue family | Greens |
| Lightness | very dark (24%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.30:1 |
| White text | 16.13:1 |
Values
| HEX | #10251A |
| RGB | rgb(16, 37, 26) |
| HSL | hsl(149, 40%, 10%) |
| OKLCH | oklch(24.3% 0.035 159.5) |
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 #10251A | 16.13:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #10251A | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #10251A text on white | 16.13:1 | AAA | Lc 103.0 | Preferred for body text |
| #10251A text on black | 1.30:1 | 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
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CDDED4
oklch(88.5% 0.023 160.2)
-
Step 300
300
#ABC9B7
oklch(80.9% 0.041 159)
-
Step 400
400
#7DAE92
oklch(70.8% 0.066 159.1)
-
Step 500
500
#5A9977
oklch(63.1% 0.084 159.2)
-
Step 600
600
#3D8460
oklch(55.7% 0.092 159.2)
-
Step 700
700
#2E6F4F
oklch(49% 0.085 159.4)
-
Step 800
800
#285B41
oklch(42.8% 0.071 159.1)
-
Step 900
900
#254B37
oklch(37.8% 0.056 159.1)
-
Step 950
950 (this color)
#10251A
oklch(24.3% 0.035 159.5)
#10251A 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) | #252219 | 0.034 |
| Deuteranopia (no green cones) | #21201B | 0.031 |
| Tritanopia (no blue cones) | #0B2522 | 0.015 |
| Achromatopsia (no color) | #212121 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10251A
#10251A
oklch(24.3% 0.035 159.5)
- #2B1925
#2B1925
oklch(24.2% 0.035 340)
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 #10251A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.041
- Dark #1B2431 ΔE 0.050
- Dark Forest Green #002D04 ΔE 0.053
- Very Dark Green #062E03 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.056
- Oxford Blue #1B263B ΔE 0.066
- Dark Brown #341C02 ΔE 0.068
- Pakistan Green #283618 ΔE 0.075
Use #10251A 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.