#256E3F
Closest named color: Dark Olive Green (#556B2F). oklch(48% 0.104 152), rgb(37, 110, 63).
Aa
White text reads best on this color (6.21:1).
About this color
#256E3F is a medium-dark, moderately saturated green. In OKLCH its lightness is 48%, its chroma 0.104 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.048 away. White text reads best on it, at 6.21:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.38:1 |
| White text | 6.21:1 |
Values
| HEX | #256E3F |
| RGB | rgb(37, 110, 63) |
| HSL | hsl(141, 50%, 29%) |
| OKLCH | oklch(48% 0.104 152) |
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 #256E3F | 6.21:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #256E3F | 3.38:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #256E3F text on white | 6.21:1 | AA | Lc 80.7 | Fine for body text |
| #256E3F text on black | 3.38:1 | AA large text | Lc -21.2 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CCDFD0
oklch(88.5% 0.029 151.9)
-
Step 300
300
#A9CAB1
oklch(80.8% 0.05 152.5)
-
Step 400
400
#7AAF88
oklch(70.6% 0.08 152.2)
-
Step 500
500
#559B6A
oklch(63% 0.103 152.2)
-
Step 600
600
#378651
oklch(55.7% 0.113 151.7)
-
Step 700
700 (this color)
#256E3F
oklch(48% 0.104 152)
-
Step 800
800
#245C37
oklch(42.7% 0.085 152.2)
-
Step 900
900
#234C2F
oklch(37.8% 0.068 151.4)
-
Step 950
950
#152C1C
oklch(26.9% 0.042 152.5)
#256E3F 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) | #6E653C | 0.089 |
| Deuteranopia (no green cones) | #655E42 | 0.088 |
| Tritanopia (no blue cones) | #086C62 | 0.055 |
| Achromatopsia (no color) | #616161 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256E3F
#256E3F
oklch(48% 0.104 152)
- #7F4678
#7F4678
oklch(48.1% 0.104 331.7)
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 #256E3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.048
- Camo Green #526525 ΔE 0.049
- Pine #2B5D34 ΔE 0.052
- Spruce #0A5F38 ΔE 0.052
- Camouflage Green #4B6113 ΔE 0.054
- Dark Green Blue #1F6357 ΔE 0.059
- Army Green #4B5D16 ΔE 0.060
- Jungle Green #048243 ΔE 0.061
Use #256E3F 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.