#001800
Closest named color: Almost Black (#070D0D). oklch(18.1% 0.062 142.5), rgb(0, 24, 0).
Aa
White text reads best on this color (18.57:1).
About this color
#001800 is a very dark, muted green. In OKLCH its lightness is 18%, its chroma 0.062 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.063 away. White text reads best on it, at 18.57:1.
| Hue family | Greens |
| Lightness | very dark (18%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.13:1 |
| White text | 18.57:1 |
Values
| HEX | #001800 |
| RGB | rgb(0, 24, 0) |
| HSL | hsl(120, 100%, 5%) |
| OKLCH | oklch(18.1% 0.062 142.5) |
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 #001800 | 18.57:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #001800 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #001800 text on white | 18.57:1 | AAA | Lc 105.0 | Preferred for body text |
| #001800 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#CAE0C8
oklch(88.4% 0.04 142.9)
-
Step 300
300
#A6CDA2
oklch(80.9% 0.073 142.4)
-
Step 400
400
#74B36F
oklch(70.7% 0.116 142.6)
-
Step 500
500
#4C9F47
oklch(63% 0.149 142.5)
-
Step 600
600
#2A8A26
oklch(55.7% 0.162 142.5)
-
Step 700
700
#1B7517
oklch(49.2% 0.152 142.4)
-
Step 800
800
#1A5F17
oklch(42.7% 0.125 142.5)
-
Step 900
900
#1D4E1A
oklch(37.7% 0.097 142.4)
-
Step 950
950 (this color)
#001800
oklch(18.1% 0.062 142.5)
#001800 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) | #191400 | 0.045 |
| Deuteranopia (no green cones) | #161201 | 0.044 |
| Tritanopia (no blue cones) | #001713 | 0.041 |
| Achromatopsia (no color) | #131313 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #001800
#001800
oklch(18.1% 0.062 142.5)
- #1E0621
#1E0621
oklch(18.1% 0.062 323.2)
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 #001800, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.063
- Rich Navy #001219 ΔE 0.065
- Dark Forest Green #002D04 ΔE 0.080
- Very Dark Green #062E03 ΔE 0.085
- Rich Black #0D1B2A ΔE 0.088
- Very Dark Brown #1D0200 ΔE 0.098
- Dark Brown #341C02 ΔE 0.103
- Jet #212529 ΔE 0.104
Use #001800 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.