#066900
Closest named color: Dark Green (#006400). oklch(45.2% 0.152 142.1), rgb(6, 105, 0).
Aa
White text reads best on this color (6.93:1).
About this color
#066900 is a medium-dark, vivid green. In OKLCH its lightness is 45%, its chroma 0.152 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 0.017 away. White text reads best on it, at 6.93:1.
| Hue family | Greens |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 3.02:1 |
| White text | 6.93:1 |
Values
| HEX | #066900 |
| RGB | rgb(6, 105, 0) |
| HSL | hsl(117, 100%, 21%) |
| OKLCH | oklch(45.2% 0.152 142.1) |
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 #066900 | 6.93:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #066900 | 3.02:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #066900 text on white | 6.93:1 | AA | Lc 83.3 | Fine for body text |
| #066900 text on black | 3.02:1 | AA large text | Lc -18.6 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E1EFDF
oklch(93.7% 0.026 141.8)
-
Step 200
200
#C7E2C4
oklch(88.5% 0.05 142.4)
-
Step 300
300
#A0D09A
oklch(81% 0.09 141.9)
-
Step 400
400
#68B761
oklch(70.8% 0.144 142.2)
-
Step 500
500
#37A32F
oklch(63.1% 0.182 142.1)
-
Step 600
600
#0B8C00
oklch(55.6% 0.187 142.1)
-
Step 700
700
#087600
oklch(49.1% 0.166 142.1)
-
Step 800
800 (this color)
#066900
oklch(45.2% 0.152 142.1)
-
Step 900
900
#0E5009
oklch(37.7% 0.119 142.1)
-
Step 950
950
#0C2F09
oklch(27% 0.075 142)
#066900 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) | #6C5E00 | 0.109 |
| Deuteranopia (no green cones) | #625712 | 0.106 |
| Tritanopia (no blue cones) | #006558 | 0.101 |
| Achromatopsia (no color) | #5A5A5A | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #066900
#066900
oklch(45.2% 0.152 142.1)
- #7B3087
#7B3087
oklch(45.2% 0.153 321.9)
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 #066900, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.017
- Deep Green #02590F ΔE 0.054
- Camouflage Green #4B6113 ΔE 0.062
- Spruce #0A5F38 ΔE 0.066
- Forest #0B5509 ΔE 0.066
- Army Green #4B5D16 ΔE 0.069
- Pine #2B5D34 ΔE 0.070
- Tree Green #2A7E19 ΔE 0.071
Use #066900 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.