#00210E
Closest named color: Dark Forest Green (#002D04). oklch(21.8% 0.054 154.5), rgb(0, 33, 14).
Aa
White text reads best on this color (17.15:1).
About this color
#00210E is a very dark, muted green. In OKLCH its lightness is 22%, its chroma 0.054 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.051 away. White text reads best on it, at 17.15:1.
| Hue family | Greens |
| Lightness | very dark (22%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.22:1 |
| White text | 17.15:1 |
Values
| HEX | #00210E |
| RGB | rgb(0, 33, 14) |
| HSL | hsl(145, 100%, 6%) |
| OKLCH | oklch(21.8% 0.054 154.5) |
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 #00210E | 17.15:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #00210E | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #00210E text on white | 17.15:1 | AAA | Lc 103.8 | Preferred for body text |
| #00210E 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
#C8E1CF
oklch(88.6% 0.036 154.3)
-
Step 300
300
#A1CDAE
oklch(80.8% 0.064 154.1)
-
Step 400
400
#69B484
oklch(70.8% 0.103 154.7)
-
Step 500
500
#38A064
oklch(63% 0.132 154.4)
-
Step 600
600
#008A4D
oklch(55.6% 0.138 154.7)
-
Step 700
700
#007440
oklch(49.1% 0.122 154.8)
-
Step 800
800
#005F33
oklch(42.6% 0.106 154.6)
-
Step 900
900
#0E4E2C
oklch(37.6% 0.085 154.7)
-
Step 950
950 (this color)
#00210E
oklch(21.8% 0.054 154.5)
#00210E 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) | #211D0D | 0.048 |
| Deuteranopia (no green cones) | #1D1A0F | 0.047 |
| Tritanopia (no blue cones) | #00201C | 0.027 |
| Achromatopsia (no color) | #1B1B1B | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00210E
#00210E
oklch(21.8% 0.054 154.5)
- #290F24
#290F24
oklch(21.8% 0.055 335.1)
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 #00210E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.051
- Very Dark Green #062E03 ΔE 0.056
- Rich Black #0D1B2A ΔE 0.068
- Rich Navy #001219 ΔE 0.071
- Jet #212529 ΔE 0.071
- Dark #1B2431 ΔE 0.078
- Almost Black #070D0D ΔE 0.080
- Dark Brown #341C02 ΔE 0.085
Use #00210E 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.