#021804
Closest named color: Almost Black (#070D0D). oklch(18.4% 0.051 145.5), rgb(2, 24, 4).
Aa
White text reads best on this color (18.50:1).
About this color
#021804 is a very dark, muted green. In OKLCH its lightness is 18%, its chroma 0.051 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.055 away. White text reads best on it, at 18.50:1.
| Hue family | Greens |
| Lightness | very dark (18%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.13:1 |
| White text | 18.50:1 |
Values
| HEX | #021804 |
| RGB | rgb(2, 24, 4) |
| HSL | hsl(125, 85%, 5%) |
| OKLCH | oklch(18.4% 0.051 145.5) |
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 #021804 | 18.50:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #021804 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #021804 text on white | 18.50:1 | AAA | Lc 105.0 | Preferred for body text |
| #021804 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE3
oklch(93.6% 0.017 145.4)
-
Step 200
200
#CCDFCC
oklch(88.4% 0.033 145.3)
-
Step 300
300
#A9CCA9
oklch(81% 0.061 145)
-
Step 400
400
#79B17B
oklch(70.7% 0.097 145.3)
-
Step 500
500
#549D59
oklch(63.1% 0.124 145.4)
-
Step 600
600
#35873E
oklch(55.5% 0.134 145.5)
-
Step 700
700
#277230
oklch(49% 0.124 145.4)
-
Step 800
800
#225D29
oklch(42.6% 0.103 145.7)
-
Step 900
900
#224D26
oklch(37.8% 0.081 145.6)
-
Step 950
950 (this color)
#021804
oklch(18.4% 0.051 145.5)
#021804 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) | #191503 | 0.039 |
| Deuteranopia (no green cones) | #161305 | 0.038 |
| Tritanopia (no blue cones) | #001713 | 0.031 |
| Achromatopsia (no color) | #131313 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #021804
#021804
oklch(18.4% 0.051 145.5)
- #1D091E
#1D091E
oklch(18.3% 0.05 325.6)
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 #021804, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.055
- Rich Navy #001219 ΔE 0.056
- Rich Black #0D1B2A ΔE 0.077
- Dark Forest Green #002D04 ΔE 0.081
- Very Dark Green #062E03 ΔE 0.086
- Very Dark Brown #1D0200 ΔE 0.093
- Jet #212529 ΔE 0.095
- Dark Brown #341C02 ΔE 0.098
Use #021804 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.