#100D00
Closest named color: Almost Black (#070D0D). oklch(15.8% 0.033 100.7), rgb(16, 13, 0).
Aa
White text reads best on this color (19.45:1).
About this color
#100D00 is a very dark, muted brown. In OKLCH its lightness is 16%, its chroma 0.033 and its hue 101°. Its hue sits on the warm side of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.036 away. White text reads best on it, at 19.45:1.
| Hue family | Browns |
| Lightness | very dark (16%) |
| Chroma | muted (0.033) |
| Temperature | warm |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.07:1 |
| White text | 19.45:1 |
Values
| HEX | #100D00 |
| RGB | rgb(16, 13, 0) |
| HSL | hsl(49, 100%, 3%) |
| OKLCH | oklch(15.8% 0.033 100.7) |
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 #100D00 | 19.45:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #100D00 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #100D00 text on white | 19.45:1 | AAA | Lc 105.7 | Preferred for body text |
| #100D00 text on black | 1.07:1 | 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
#F6F6F2
oklch(97.2% 0.005 106.5)
-
Step 100
100
#EBEAE2
oklch(93.6% 0.011 100.8)
-
Step 200
200
#DCDACA
oklch(88.6% 0.022 101)
-
Step 300
300
#C6C2A5
oklch(81% 0.04 100.8)
-
Step 400
400
#A9A275
oklch(70.7% 0.062 100.3)
-
Step 500
500
#948B50
oklch(63.1% 0.08 100.7)
-
Step 600
600
#7F7534
oklch(55.7% 0.087 100.7)
-
Step 700
700
#6B6226
oklch(49.2% 0.081 100.8)
-
Step 800
800
#575021
oklch(42.7% 0.067 100.9)
-
Step 900
900
#484220
oklch(37.6% 0.052 99.5)
-
Step 950
950 (this color)
#100D00
oklch(15.8% 0.033 100.7)
#100D00 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) | #100C00 | 0.004 |
| Deuteranopia (no green cones) | #100D00 | 0.000 |
| Tritanopia (no blue cones) | #120B09 | 0.030 |
| Achromatopsia (no color) | #0D0D0D | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100D00
#100D00
oklch(15.8% 0.033 100.7)
- #0A0B1A
#0A0B1A
oklch(15.8% 0.032 279.2)
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 #100D00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.036
- Very Dark Brown #1D0200 ΔE 0.051
- Rich Navy #001219 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.089
- Dark Brown #341C02 ΔE 0.101
- Jet #212529 ΔE 0.112
- Dark Maroon #3C0008 ΔE 0.113
- Dark #1B2431 ΔE 0.116
Use #100D00 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.