#101B09
Closest named color: Rich Navy (#001219). oklch(20.6% 0.037 134.4), rgb(16, 27, 9).
Aa
White text reads best on this color (17.75:1).
About this color
#101B09 is a very dark, muted green. In OKLCH its lightness is 21%, its chroma 0.037 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.060 away. White text reads best on it, at 17.75:1.
| Hue family | Greens |
| Lightness | very dark (21%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.18:1 |
| White text | 17.75:1 |
Values
| HEX | #101B09 |
| RGB | rgb(16, 27, 9) |
| HSL | hsl(97, 50%, 7%) |
| OKLCH | oklch(20.6% 0.037 134.4) |
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 #101B09 | 17.75:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #101B09 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #101B09 text on white | 17.75:1 | AAA | Lc 104.5 | Preferred for body text |
| #101B09 text on black | 1.18:1 | 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
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D3DDCD
oklch(88.5% 0.024 133.5)
-
Step 300
300
#B5C7AB
oklch(80.8% 0.043 134.3)
-
Step 400
400
#8EAB7E
oklch(70.7% 0.071 134.7)
-
Step 500
500
#73965D
oklch(63.2% 0.09 134)
-
Step 600
600
#5B8043
oklch(55.7% 0.098 134.2)
-
Step 700
700
#4A6C35
oklch(49.1% 0.091 134.7)
-
Step 800
800
#3D582C
oklch(42.7% 0.075 134.4)
-
Step 900
900
#344828
oklch(37.6% 0.058 134.5)
-
Step 950
950 (this color)
#101B09
oklch(20.6% 0.037 134.4)
#101B09 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) | #1C1908 | 0.022 |
| Deuteranopia (no green cones) | #1B180A | 0.023 |
| Tritanopia (no blue cones) | #101A17 | 0.027 |
| Achromatopsia (no color) | #181818 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #101B09
#101B09
oklch(20.6% 0.037 134.4)
- #1E1223
#1E1223
oklch(20.7% 0.037 315.6)
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 #101B09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.063
- Almost Black #070D0D ΔE 0.063
- Jet #212529 ΔE 0.070
- Dark Forest Green #002D04 ΔE 0.070
- Dark Brown #341C02 ΔE 0.072
- Very Dark Green #062E03 ΔE 0.074
- Dark #1B2431 ΔE 0.077
Use #101B09 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.