#051803
Closest named color: Almost Black (#070D0D). oklch(18.6% 0.05 140.9), rgb(5, 24, 3).
Aa
White text reads best on this color (18.44:1).
About this color
#051803 is a very dark, muted green. In OKLCH its lightness is 19%, its chroma 0.050 and its hue 141°. 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 18.44:1.
| Hue family | Greens |
| Lightness | very dark (19%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.13:1 |
| White text | 18.44:1 |
Values
| HEX | #051803 |
| RGB | rgb(5, 24, 3) |
| HSL | hsl(114, 78%, 5%) |
| OKLCH | oklch(18.6% 0.05 140.9) |
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 #051803 | 18.44:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #051803 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #051803 text on white | 18.44:1 | AAA | Lc 105.0 | Preferred for body text |
| #051803 text on black | 1.13:1 | 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
#E4EDE2
oklch(93.6% 0.017 140)
-
Step 200
200
#CEDFCB
oklch(88.5% 0.033 141)
-
Step 300
300
#ACCBA7
oklch(80.9% 0.06 141.2)
-
Step 400
400
#80B077
oklch(70.8% 0.096 140.6)
-
Step 500
500
#5E9B54
oklch(63% 0.12 140.9)
-
Step 600
600
#438637
oklch(55.7% 0.132 140.7)
-
Step 700
700
#34712A
oklch(49.1% 0.122 140.9)
-
Step 800
800
#2C5C24
oklch(42.7% 0.101 140.9)
-
Step 900
900
#284C22
oklch(37.8% 0.08 140.9)
-
Step 950
950 (this color)
#051803
oklch(18.6% 0.05 140.9)
#051803 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 | 0.035 |
| Deuteranopia (no green cones) | #161304 | 0.034 |
| Tritanopia (no blue cones) | #031713 | 0.032 |
| Achromatopsia (no color) | #141414 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #051803
#051803
oklch(18.6% 0.05 140.9)
- #1D0A20
#1D0A20
oklch(18.6% 0.05 322)
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 #051803, 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 0.078
- Dark Forest Green #002D04 ΔE 0.079
- Very Dark Green #062E03 ΔE 0.084
- Very Dark Brown #1D0200 ΔE 0.090
- Jet #212529 ΔE 0.093
- Dark Brown #341C02 ΔE 0.093
Use #051803 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.