#18291B
Closest named color: Jet (#212529). oklch(26.1% 0.035 149.1), rgb(24, 41, 27).
Aa
White text reads best on this color (15.30:1).
About this color
#18291B is a dark, muted green. In OKLCH its lightness is 26%, its chroma 0.035 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.037 away. White text reads best on it, at 15.30:1.
| Hue family | Greens |
| Lightness | dark (26%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.37:1 |
| White text | 15.30:1 |
Values
| HEX | #18291B |
| RGB | rgb(24, 41, 27) |
| HSL | hsl(131, 26%, 13%) |
| OKLCH | oklch(26.1% 0.035 149.1) |
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 #18291B | 15.30:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #18291B | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #18291B text on white | 15.30:1 | AAA | Lc 102.2 | Preferred for body text |
| #18291B text on black | 1.37:1 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE6
oklch(93.6% 0.011 149.9)
-
Step 200
200
#CFDED1
oklch(88.6% 0.024 149.3)
-
Step 300
300
#AFC8B3
oklch(80.8% 0.04 149.9)
-
Step 400
400
#84AC8B
oklch(70.6% 0.065 149.7)
-
Step 500
500
#64986E
oklch(63.1% 0.084 149.5)
-
Step 600
600
#4A8255
oklch(55.5% 0.092 149)
-
Step 700
700
#3B6E46
oklch(49.1% 0.084 149.4)
-
Step 800
800
#315A39
oklch(42.8% 0.072 148.9)
-
Step 900
900
#2C4A31
oklch(37.8% 0.056 148.5)
-
Step 950
950 (this color)
#18291B
oklch(26.1% 0.035 149.1)
#18291B 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) | #29261A | 0.029 |
| Deuteranopia (no green cones) | #27241C | 0.030 |
| Tritanopia (no blue cones) | #162825 | 0.020 |
| Achromatopsia (no color) | #252525 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18291B
#18291B
oklch(26.1% 0.035 149.1)
- #2E1E2D
#2E1E2D
oklch(26.1% 0.036 328.7)
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 #18291B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.037
- Very Dark Green #062E03 ΔE 0.048
- Dark Forest Green #002D04 ΔE 0.049
- Dark #1B2431 ΔE 0.051
- Pakistan Green #283618 ΔE 0.056
- Dark Brown #341C02 ΔE 0.062
- Oxford Blue #1B263B ΔE 0.065
- Rich Black #0D1B2A ΔE 0.070
Use #18291B 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.