#066A01
Closest named color: Dark Green (#006400). oklch(45.5% 0.153 142.2), rgb(6, 106, 1).
Aa
White text reads best on this color (6.84:1).
About this color
#066A01 is a medium-dark, vivid green. In OKLCH its lightness is 46%, its chroma 0.153 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 0.020 away. White text reads best on it, at 6.84:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 3.06:1 |
| White text | 6.84:1 |
Values
| HEX | #066A01 |
| RGB | rgb(6, 106, 1) |
| HSL | hsl(117, 98%, 21%) |
| OKLCH | oklch(45.5% 0.153 142.2) |
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 #066A01 | 6.84:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #066A01 | 3.06:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #066A01 text on white | 6.84:1 | AA | Lc 83.0 | Fine for body text |
| #066A01 text on black | 3.06:1 | AA large text | Lc -19.0 | 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
#E0EFDF
oklch(93.7% 0.027 143.6)
-
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
#36A32E
oklch(63% 0.183 142.1)
-
Step 600
600
#098C00
oklch(55.5% 0.188 142.2)
-
Step 700
700
#067600
oklch(49.1% 0.166 142.2)
-
Step 800
800 (this color)
#066A01
oklch(45.5% 0.153 142.2)
-
Step 900
900
#0D5009
oklch(37.7% 0.119 142.2)
-
Step 950
950
#0B2F09
oklch(27% 0.075 142.4)
#066A01 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) | #6D5F00 | 0.109 |
| Deuteranopia (no green cones) | #635813 | 0.107 |
| Tritanopia (no blue cones) | #006659 | 0.101 |
| Achromatopsia (no color) | #5B5B5B | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #066A01
#066A01
oklch(45.5% 0.153 142.2)
- #7C3188
#7C3188
oklch(45.5% 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 #066A01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.020
- Deep Green #02590F ΔE 0.057
- Camouflage Green #4B6113 ΔE 0.062
- Spruce #0A5F38 ΔE 0.068
- Tree Green #2A7E19 ΔE 0.068
- Green #008000 ΔE 0.069
- Forest #0B5509 ΔE 0.069
- Army Green #4B5D16 ΔE 0.070
Use #066A01 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.