#256E0B
Closest named color: Dark Green (#006400). oklch(47.4% 0.145 139.7), rgb(37, 110, 11).
Aa
White text reads best on this color (6.33:1).
About this color
#256E0B is a medium-dark, vivid green. In OKLCH its lightness is 47%, its chroma 0.145 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.039 away. White text reads best on it, at 6.33:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 3.31:1 |
| White text | 6.33:1 |
Values
| HEX | #256E0B |
| RGB | rgb(37, 110, 11) |
| HSL | hsl(104, 82%, 24%) |
| OKLCH | oklch(47.4% 0.145 139.7) |
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 #256E0B | 6.33:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #256E0B | 3.31:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #256E0B text on white | 6.33:1 | AA | Lc 81.1 | Fine for body text |
| #256E0B text on black | 3.31:1 | AA large text | Lc -20.8 | 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 700.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE1
oklch(93.5% 0.019 140.5)
-
Step 200
200
#CCE0C8
oklch(88.5% 0.039 140.5)
-
Step 300
300
#A9CCA1
oklch(80.8% 0.07 139.8)
-
Step 400
400
#7BB26D
oklch(70.8% 0.113 139.4)
-
Step 500
500
#569E45
oklch(63.2% 0.144 139.9)
-
Step 600
600
#398822
oklch(55.6% 0.156 139.6)
-
Step 700
700 (this color)
#256E0B
oklch(47.4% 0.145 139.7)
-
Step 800
800
#255E14
oklch(42.8% 0.121 139.6)
-
Step 900
900
#234D19
oklch(37.7% 0.094 139.9)
-
Step 950
950
#162D10
oklch(27% 0.058 139.5)
#256E0B 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) | #716300 | 0.097 |
| Deuteranopia (no green cones) | #695D19 | 0.098 |
| Tritanopia (no blue cones) | #1B6A5D | 0.099 |
| Achromatopsia (no color) | #5F5F5F | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256E0B
#256E0B
oklch(47.4% 0.145 139.7)
- #7E3B8E
#7E3B8E
oklch(47.4% 0.145 319.5)
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 #256E0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.039
- Tree Green #2A7E19 ΔE 0.050
- Camouflage Green #4B6113 ΔE 0.054
- Green #008000 ΔE 0.056
- Dark Grass Green #388004 ΔE 0.060
- Camo Green #526525 ΔE 0.062
- Army Green #4B5D16 ΔE 0.065
- Dark Olive Green #556B2F ΔE 0.065
Use #256E0B 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.