#18210E
Closest named color: Jet (#212529). oklch(23.3% 0.036 129.6), rgb(24, 33, 14).
Aa
White text reads best on this color (16.63:1).
About this color
#18210E is a very dark, muted green. In OKLCH its lightness is 23%, its chroma 0.036 and its hue 130°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.051 away. White text reads best on it, at 16.63:1.
| Hue family | Greens |
| Lightness | very dark (23%) |
| Chroma | muted (0.036) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.26:1 |
| White text | 16.63:1 |
Values
| HEX | #18210E |
| RGB | rgb(24, 33, 14) |
| HSL | hsl(88, 40%, 9%) |
| OKLCH | oklch(23.3% 0.036 129.6) |
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 #18210E | 16.63:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #18210E | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #18210E text on white | 16.63:1 | AAA | Lc 103.5 | Preferred for body text |
| #18210E text on black | 1.26:1 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E7ECE3
oklch(93.7% 0.013 130.8)
-
Step 200
200
#D4DDCC
oklch(88.6% 0.025 129.9)
-
Step 300
300
#B8C7A9
oklch(81% 0.044 129.1)
-
Step 400
400
#93AA7C
oklch(70.8% 0.069 129.6)
-
Step 500
500
#78945A
oklch(63% 0.088 129.6)
-
Step 600
600
#617E3F
oklch(55.5% 0.096 129.4)
-
Step 700
700
#506B31
oklch(49.2% 0.09 129.8)
-
Step 800
800
#425729
oklch(42.7% 0.074 129.3)
-
Step 900
900
#384826
oklch(37.8% 0.058 129.4)
-
Step 950
950 (this color)
#18210E
oklch(23.3% 0.036 129.6)
#18210E 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) | #231F0D | 0.020 |
| Deuteranopia (no green cones) | #211E0F | 0.019 |
| Tritanopia (no blue cones) | #19201C | 0.026 |
| Achromatopsia (no color) | #1E1E1E | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18210E
#18210E
oklch(23.3% 0.036 129.6)
- #23192B
#23192B
oklch(23.4% 0.037 309.2)
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 #18210E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.051
- Dark Forest Green #002D04 ΔE 0.055
- Dark Brown #341C02 ΔE 0.055
- Very Dark Green #062E03 ΔE 0.056
- Dark #1B2431 ΔE 0.063
- Rich Black #0D1B2A ΔE 0.065
- Pakistan Green #283618 ΔE 0.080
- Rich Navy #001219 ΔE 0.081
Use #18210E 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.