#00643A
Closest named color: Spruce (#0A5F38). oklch(44.3% 0.106 156.6), rgb(0, 100, 58).
Aa
White text reads best on this color (7.28:1).
About this color
#00643A is a dark, moderately saturated green. In OKLCH its lightness is 44%, its chroma 0.106 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.016 away. White text reads best on it, at 7.28:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.88:1 |
| White text | 7.28:1 |
Values
| HEX | #00643A |
| RGB | rgb(0, 100, 58) |
| HSL | hsl(155, 100%, 20%) |
| OKLCH | oklch(44.3% 0.106 156.6) |
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 #00643A | 7.28:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #00643A | 2.88:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #00643A text on white | 7.28:1 | AAA | Lc 84.7 | Fine for body text |
| #00643A text on black | 2.88:1 | Fails | Lc -17.3 | Dividers and decoration only |
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 800.
-
Step 50
50
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE5
oklch(93.7% 0.018 155.8)
-
Step 200
200
#C8E0D0
oklch(88.4% 0.034 156.5)
-
Step 300
300
#A0CDB0
oklch(80.8% 0.063 156.5)
-
Step 400
400
#69B387
oklch(70.6% 0.099 156.6)
-
Step 500
500
#37A069
oklch(63.1% 0.127 156.6)
-
Step 600
600
#008A52
oklch(55.7% 0.134 156.6)
-
Step 700
700
#007444
oklch(49.2% 0.118 156.6)
-
Step 800
800 (this color)
#00643A
oklch(44.3% 0.106 156.6)
-
Step 900
900
#0E4E2F
oklch(37.6% 0.082 156.8)
-
Step 950
950
#0C2E1C
oklch(27% 0.052 156.9)
#00643A 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) | #635B37 | 0.095 |
| Deuteranopia (no green cones) | #59543D | 0.093 |
| Tritanopia (no blue cones) | #006359 | 0.050 |
| Achromatopsia (no color) | #575757 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00643A
#00643A
oklch(44.3% 0.106 156.6)
- #773A69
#773A69
oklch(44.4% 0.106 336.6)
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 #00643A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.016
- Pine #2B5D34 ΔE 0.027
- Dark Green Blue #1F6357 ΔE 0.050
- Deep Green #02590F ΔE 0.052
- Dark Green #006400 ΔE 0.053
- Army Green #4B5D16 ΔE 0.060
- Camouflage Green #4B6113 ΔE 0.060
- Forest #0B5509 ΔE 0.061
Use #00643A 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.