#091803
Closest named color: Almost Black (#070D0D). oklch(18.9% 0.047 136.3), rgb(9, 24, 3).
Aa
White text reads best on this color (18.36:1).
About this color
#091803 is a very dark, muted green. In OKLCH its lightness is 19%, its chroma 0.047 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.056 away. White text reads best on it, at 18.36:1.
| Hue family | Greens |
| Lightness | very dark (19%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.14:1 |
| White text | 18.36:1 |
Values
| HEX | #091803 |
| RGB | rgb(9, 24, 3) |
| HSL | hsl(103, 78%, 5%) |
| OKLCH | oklch(18.9% 0.047 136.3) |
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 #091803 | 18.36:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #091803 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #091803 text on white | 18.36:1 | AAA | Lc 104.9 | Preferred for body text |
| #091803 text on black | 1.14:1 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E5ECE2
oklch(93.5% 0.015 136.1)
-
Step 200
200
#D0DECA
oklch(88.5% 0.031 136.2)
-
Step 300
300
#B1C9A6
oklch(80.8% 0.055 135.8)
-
Step 400
400
#87AE76
oklch(70.8% 0.089 136.5)
-
Step 500
500
#699952
oklch(63.1% 0.113 136.2)
-
Step 600
600
#508335
oklch(55.6% 0.123 136.1)
-
Step 700
700
#406F28
oklch(49.1% 0.114 136.5)
-
Step 800
800
#355A22
oklch(42.6% 0.094 136.3)
-
Step 900
900
#2F4A21
oklch(37.6% 0.073 135.9)
-
Step 950
950 (this color)
#091803
oklch(18.9% 0.047 136.3)
#091803 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) | #191502 | 0.029 |
| Deuteranopia (no green cones) | #171404 | 0.029 |
| Tritanopia (no blue cones) | #081713 | 0.032 |
| Achromatopsia (no color) | #141414 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #091803
#091803
oklch(18.9% 0.047 136.3)
- #1C0C21
#1C0C21
oklch(18.9% 0.047 317.7)
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 #091803, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.056
- Rich Navy #001219 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.075
- Dark Forest Green #002D04 ΔE 0.079
- Very Dark Green #062E03 ΔE 0.083
- Very Dark Brown #1D0200 ΔE 0.087
- Dark Brown #341C02 ΔE 0.088
- Jet #212529 ΔE 0.089
Use #091803 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.