#101D12
Closest named color: Rich Black (#0D1B2A). oklch(21.5% 0.028 148.5), rgb(16, 29, 18).
Aa
White text reads best on this color (17.40:1).
About this color
#101D12 is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.050 away. White text reads best on it, at 17.40:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.20:1 |
| White text | 17.40:1 |
Values
| HEX | #101D12 |
| RGB | rgb(16, 29, 18) |
| HSL | hsl(129, 29%, 9%) |
| OKLCH | oklch(21.5% 0.028 148.5) |
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 #101D12 | 17.40:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #101D12 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #101D12 text on white | 17.40:1 | AAA | Lc 104.2 | Preferred for body text |
| #101D12 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6ECE6
oklch(93.7% 0.01 145.5)
-
Step 200
200
#D1DDD2
oklch(88.5% 0.02 147.8)
-
Step 300
300
#B3C7B5
oklch(80.9% 0.033 148.1)
-
Step 400
400
#8AAA8E
oklch(70.6% 0.054 148.4)
-
Step 500
500
#6D9572
oklch(63% 0.068 148)
-
Step 600
600
#54805B
oklch(55.7% 0.075 148.6)
-
Step 700
700
#446C4B
oklch(49.2% 0.069 148.9)
-
Step 800
800
#38583D
oklch(42.7% 0.058 148.4)
-
Step 900
900
#314834
oklch(37.6% 0.044 148)
-
Step 950
950 (this color)
#101D12
oklch(21.5% 0.028 148.5)
#101D12 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) | #1D1B11 | 0.023 |
| Deuteranopia (no green cones) | #1B1913 | 0.024 |
| Tritanopia (no blue cones) | #0E1C1A | 0.017 |
| Achromatopsia (no color) | #1A1A1A | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #101D12
#101D12
oklch(21.5% 0.028 148.5)
- #211520
#211520
oklch(21.6% 0.028 329.3)
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 #101D12, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.050
- Jet #212529 ΔE 0.057
- Rich Navy #001219 ΔE 0.058
- Dark #1B2431 ΔE 0.063
- Almost Black #070D0D ΔE 0.066
- Dark Forest Green #002D04 ΔE 0.070
- Dark Brown #341C02 ΔE 0.070
- Very Dark Green #062E03 ΔE 0.073
Use #101D12 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.