#00210D
Closest named color: Dark Forest Green (#002D04). oklch(21.7% 0.055 153.4), rgb(0, 33, 13).
Aa
White text reads best on this color (17.16:1).
About this color
#00210D is a very dark, muted green. In OKLCH its lightness is 22%, its chroma 0.055 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.050 away. White text reads best on it, at 17.16:1.
| Hue family | Greens |
| Lightness | very dark (22%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.22:1 |
| White text | 17.16:1 |
Values
| HEX | #00210D |
| RGB | rgb(0, 33, 13) |
| HSL | hsl(144, 100%, 6%) |
| OKLCH | oklch(21.7% 0.055 153.4) |
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 #00210D | 17.16:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #00210D | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #00210D text on white | 17.16:1 | AAA | Lc 103.8 | Preferred for body text |
| #00210D text on black | 1.22:1 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C8E1CE
oklch(88.6% 0.037 152.8)
-
Step 300
300
#A1CEAD
oklch(81% 0.066 153)
-
Step 400
400
#69B482
oklch(70.7% 0.105 153.7)
-
Step 500
500
#38A062
oklch(63% 0.134 153.6)
-
Step 600
600
#008A49
oklch(55.5% 0.142 153.3)
-
Step 700
700
#00743D
oklch(49% 0.125 153.5)
-
Step 800
800
#005F31
oklch(42.6% 0.108 153.6)
-
Step 900
900
#0E4F2A
oklch(37.8% 0.089 153)
-
Step 950
950 (this color)
#00210D
oklch(21.7% 0.055 153.4)
#00210D 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) | #211D0B | 0.048 |
| Deuteranopia (no green cones) | #1D1A0E | 0.047 |
| Tritanopia (no blue cones) | #00201C | 0.029 |
| Achromatopsia (no color) | #1B1B1B | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00210D
#00210D
oklch(21.7% 0.055 153.4)
- #290F25
#290F25
oklch(21.9% 0.056 333.4)
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 #00210D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.050
- Very Dark Green #062E03 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.070
- Rich Navy #001219 ΔE 0.072
- Jet #212529 ΔE 0.073
- Dark #1B2431 ΔE 0.079
- Almost Black #070D0D ΔE 0.081
- Dark Brown #341C02 ΔE 0.085
Use #00210D 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.