#066003
Closest named color: Dark Green (#006400). oklch(42.5% 0.142 142.3), rgb(6, 96, 3).
Aa
White text reads best on this color (7.82:1).
About this color
#066003 is a dark, vivid green. In OKLCH its lightness is 42%, its chroma 0.142 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.013 away. White text reads best on it, at 7.82:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 2.68:1 |
| White text | 7.82:1 |
Values
| HEX | #066003 |
| RGB | rgb(6, 96, 3) |
| HSL | hsl(118, 94%, 19%) |
| OKLCH | oklch(42.5% 0.142 142.3) |
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 #066003 | 7.82:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #066003 | 2.68:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #066003 text on white | 7.82:1 | AAA | Lc 86.5 | Fine for body text |
| #066003 text on black | 2.68:1 | Fails | Lc -15.5 | 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
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C8E1C6
oklch(88.4% 0.045 143.2)
-
Step 300
300
#A2CF9D
oklch(80.9% 0.084 142.2)
-
Step 400
400
#6DB567
oklch(70.6% 0.132 142.4)
-
Step 500
500
#40A23A
oklch(63.2% 0.169 142.4)
-
Step 600
600
#108C0A
oklch(55.6% 0.184 142.3)
-
Step 700
700
#047600
oklch(49.1% 0.166 142.3)
-
Step 800
800 (this color)
#066003
oklch(42.5% 0.142 142.3)
-
Step 900
900
#144F11
oklch(37.6% 0.11 142.4)
-
Step 950
950
#0E2F0C
oklch(27.1% 0.071 142.4)
#066003 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) | #625600 | 0.100 |
| Deuteranopia (no green cones) | #5A5012 | 0.099 |
| Tritanopia (no blue cones) | #005D50 | 0.092 |
| Achromatopsia (no color) | #525252 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #066003
#066003
oklch(42.5% 0.142 142.3)
- #712C7B
#712C7B
oklch(42.5% 0.142 322.4)
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 #066003, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.013
- Deep Green #02590F ΔE 0.025
- Forest #0B5509 ΔE 0.037
- Navy Green #35530A ΔE 0.051
- Spruce #0A5F38 ΔE 0.052
- Pine #2B5D34 ΔE 0.057
- Camouflage Green #4B6113 ΔE 0.063
- Army Green #4B5D16 ΔE 0.064
Use #066003 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.