#021E15
Closest named color: Rich Black (#0D1B2A). oklch(21% 0.039 168.5), rgb(2, 30, 21).
Aa
White text reads best on this color (17.51:1).
About this color
#021E15 is a very dark, muted green. In OKLCH its lightness is 21%, its chroma 0.039 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.050 away. White text reads best on it, at 17.51:1.
| Hue family | Greens |
| Lightness | very dark (21%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.19:1 |
| White text | 17.51:1 |
Values
| HEX | #021E15 |
| RGB | rgb(2, 30, 21) |
| HSL | hsl(161, 88%, 6%) |
| OKLCH | oklch(21% 0.039 168.5) |
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 #021E15 | 17.51:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #021E15 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #021E15 text on white | 17.51:1 | AAA | Lc 104.2 | Preferred for body text |
| #021E15 text on black | 1.19:1 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CADFD6
oklch(88.5% 0.026 168.2)
-
Step 300
300
#A4CBBB
oklch(80.9% 0.047 168.3)
-
Step 400
400
#70B098
oklch(70.7% 0.075 168.5)
-
Step 500
500
#459C7F
oklch(63.1% 0.096 168.6)
-
Step 600
600
#1D8668
oklch(55.5% 0.103 168.6)
-
Step 700
700
#097257
oklch(49.2% 0.096 168.7)
-
Step 800
800
#105D47
oklch(42.8% 0.08 168.4)
-
Step 900
900
#184C3C
oklch(37.7% 0.062 169.3)
-
Step 950
950 (this color)
#021E15
oklch(21% 0.039 168.5)
#021E15 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) | #1D1B15 | 0.040 |
| Deuteranopia (no green cones) | #191816 | 0.039 |
| Tritanopia (no blue cones) | #001E1B | 0.012 |
| Achromatopsia (no color) | #191919 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #021E15
#021E15
oklch(21% 0.039 168.5)
- #25101B
#25101B
oklch(20.9% 0.039 348.4)
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 #021E15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.050
- Rich Navy #001219 ΔE 0.053
- Jet #212529 ΔE 0.065
- Almost Black #070D0D ΔE 0.066
- Dark #1B2431 ΔE 0.068
- Dark Forest Green #002D04 ΔE 0.069
- Very Dark Green #062E03 ΔE 0.073
- Oxford Blue #1B263B ΔE 0.084
Use #021E15 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.