#021F0B
Closest named color: Dark Forest Green (#002D04). oklch(21.1% 0.053 151), rgb(2, 31, 11).
Aa
White text reads best on this color (17.45:1).
About this color
#021F0B is a very dark, muted green. In OKLCH its lightness is 21%, its chroma 0.053 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.057 away. White text reads best on it, at 17.45:1.
| Hue family | Greens |
| Lightness | very dark (21%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.20:1 |
| White text | 17.45:1 |
Values
| HEX | #021F0B |
| RGB | rgb(2, 31, 11) |
| HSL | hsl(139, 88%, 6%) |
| OKLCH | oklch(21.1% 0.053 151) |
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 #021F0B | 17.45:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #021F0B | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #021F0B text on white | 17.45:1 | AAA | Lc 104.1 | Preferred for body text |
| #021F0B text on black | 1.20:1 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EEE4
oklch(93.7% 0.018 150.5)
-
Step 200
200
#C9E0CE
oklch(88.5% 0.035 152)
-
Step 300
300
#A4CDAC
oklch(81% 0.063 150.6)
-
Step 400
400
#70B380
oklch(70.8% 0.101 150.7)
-
Step 500
500
#459F60
oklch(63.1% 0.128 150.9)
-
Step 600
600
#1C8946
oklch(55.5% 0.139 151)
-
Step 700
700
#087438
oklch(49% 0.128 151.2)
-
Step 800
800
#105F2E
oklch(42.8% 0.108 150.7)
-
Step 900
900
#184E2A
oklch(37.8% 0.083 151.2)
-
Step 950
950 (this color)
#021F0B
oklch(21.1% 0.053 151)
#021F0B 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) | #1F1B09 | 0.044 |
| Deuteranopia (no green cones) | #1B190C | 0.042 |
| Tritanopia (no blue cones) | #001E1A | 0.029 |
| Achromatopsia (no color) | #1A1A1A | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #021F0B
#021F0B
oklch(21.1% 0.053 151)
- #260E23
#260E23
oklch(21.1% 0.053 332.1)
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 #021F0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.057
- Very Dark Green #062E03 ΔE 0.061
- Rich Navy #001219 ΔE 0.067
- Rich Black #0D1B2A ΔE 0.069
- Almost Black #070D0D ΔE 0.075
- Jet #212529 ΔE 0.075
- Dark #1B2431 ΔE 0.081
- Dark Brown #341C02 ΔE 0.085
Use #021F0B 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.