#00661F
Closest named color: Dark Green (#006400). oklch(44.4% 0.134 146.4), rgb(0, 102, 31).
Aa
White text reads best on this color (7.19:1).
About this color
#00661F is a dark, moderately saturated green. In OKLCH its lightness is 44%, its chroma 0.134 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.019 away. White text reads best on it, at 7.19:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 2.92:1 |
| White text | 7.19:1 |
Values
| HEX | #00661F |
| RGB | rgb(0, 102, 31) |
| HSL | hsl(138, 100%, 20%) |
| OKLCH | oklch(44.4% 0.134 146.4) |
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 #00661F | 7.19:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #00661F | 2.92:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #00661F text on white | 7.19:1 | AAA | Lc 84.3 | Fine for body text |
| #00661F text on black | 2.92:1 | Fails | Lc -17.7 | 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
#E1EEE1
oklch(93.6% 0.022 145.4)
-
Step 200
200
#C7E1C9
oklch(88.4% 0.043 147.4)
-
Step 300
300
#A0CFA3
oklch(80.9% 0.079 146.5)
-
Step 400
400
#69B571
oklch(70.6% 0.124 146.5)
-
Step 500
500
#37A249
oklch(63.1% 0.16 146.3)
-
Step 600
600
#008C2E
oklch(55.7% 0.168 146.5)
-
Step 700
700
#007525
oklch(49% 0.148 146.5)
-
Step 800
800 (this color)
#00661F
oklch(44.4% 0.134 146.4)
-
Step 900
900
#0D4F1C
oklch(37.6% 0.104 146.6)
-
Step 950
950
#0B2F11
oklch(27.1% 0.067 146.4)
#00661F 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) | #685C16 | 0.103 |
| Deuteranopia (no green cones) | #5E5526 | 0.102 |
| Tritanopia (no blue cones) | #006357 | 0.081 |
| Achromatopsia (no color) | #575757 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00661F
#00661F
oklch(44.4% 0.134 146.4)
- #78337A
#78337A
oklch(44.4% 0.134 326.5)
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 #00661F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.019
- Deep Green #02590F ΔE 0.042
- Spruce #0A5F38 ΔE 0.043
- Pine #2B5D34 ΔE 0.050
- Forest #0B5509 ΔE 0.054
- Camouflage Green #4B6113 ΔE 0.056
- Army Green #4B5D16 ΔE 0.060
- Navy Green #35530A ΔE 0.061
Use #00661F 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.