#151C0A
Closest named color: Rich Black (#0D1B2A). oklch(21.4% 0.034 126.5), rgb(21, 28, 10).
Aa
White text reads best on this color (17.46:1).
About this color
#151C0A is a very dark, muted green. In OKLCH its lightness is 21%, its chroma 0.034 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.062 away. White text reads best on it, at 17.46:1.
| Hue family | Greens |
| Lightness | very dark (21%) |
| Chroma | muted (0.034) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.20:1 |
| White text | 17.46:1 |
Values
| HEX | #151C0A |
| RGB | rgb(21, 28, 10) |
| HSL | hsl(83, 47%, 7%) |
| OKLCH | oklch(21.4% 0.034 126.5) |
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 #151C0A | 17.46:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #151C0A | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #151C0A text on white | 17.46:1 | AAA | Lc 104.3 | Preferred for body text |
| #151C0A text on black | 1.20:1 | 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
#E8EBE3
oklch(93.6% 0.011 123.5)
-
Step 200
200
#D5DCCC
oklch(88.5% 0.023 126.3)
-
Step 300
300
#BAC6AA
oklch(81% 0.041 126.2)
-
Step 400
400
#96A87D
oklch(70.6% 0.064 126.4)
-
Step 500
500
#7C935B
oklch(63.1% 0.083 126.8)
-
Step 600
600
#667D41
oklch(55.7% 0.089 126.3)
-
Step 700
700
#546932
oklch(49% 0.084 126.5)
-
Step 800
800
#45562A
oklch(42.7% 0.07 126.5)
-
Step 900
900
#3A4727
oklch(37.7% 0.054 126.8)
-
Step 950
950 (this color)
#151C0A
oklch(21.4% 0.034 126.5)
#151C0A 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) | #1E1A09 | 0.018 |
| Deuteranopia (no green cones) | #1D1A0B | 0.017 |
| Tritanopia (no blue cones) | #161B18 | 0.027 |
| Achromatopsia (no color) | #1A1A1A | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #151C0A
#151C0A
oklch(21.4% 0.034 126.5)
- #1D1526
#1D1526
oklch(21.4% 0.035 305.3)
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 #151C0A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.062
- Jet #212529 ΔE 0.063
- Dark Brown #341C02 ΔE 0.063
- Rich Navy #001219 ΔE 0.066
- Dark Forest Green #002D04 ΔE 0.068
- Almost Black #070D0D ΔE 0.069
- Very Dark Green #062E03 ΔE 0.071
- Dark #1B2431 ΔE 0.072
Use #151C0A 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.