#256540
Closest named color: Pine (#2B5D34). oklch(45.5% 0.089 155), rgb(37, 101, 64).
Aa
White text reads best on this color (6.96:1).
About this color
#256540 is a medium-dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.089 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.026 away. White text reads best on it, at 6.96:1.
| Hue family | Greens |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 3.01:1 |
| White text | 6.96:1 |
Values
| HEX | #256540 |
| RGB | rgb(37, 101, 64) |
| HSL | hsl(145, 46%, 27%) |
| OKLCH | oklch(45.5% 0.089 155) |
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 #256540 | 6.96:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #256540 | 3.01:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #256540 text on white | 6.96:1 | AA | Lc 83.9 | Fine for body text |
| #256540 text on black | 3.01:1 | AA large text | Lc -18.1 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CBDFD1
oklch(88.5% 0.029 155.2)
-
Step 300
300
#A7CBB2
oklch(80.9% 0.052 154.8)
-
Step 400
400
#75B08A
oklch(70.6% 0.083 155.4)
-
Step 500
500
#4E9C6D
oklch(63% 0.106 155.3)
-
Step 600
600
#2C8754
oklch(55.6% 0.117 154.8)
-
Step 700
700
#1D7245
oklch(49.1% 0.107 155.3)
-
Step 800
800 (this color)
#256540
oklch(45.5% 0.089 155)
-
Step 900
900
#1E4C31
oklch(37.6% 0.069 155.2)
-
Step 950
950
#132D1D
oklch(27.1% 0.044 155)
#256540 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) | #655D3E | 0.080 |
| Deuteranopia (no green cones) | #5C5742 | 0.078 |
| Tritanopia (no blue cones) | #0D645B | 0.043 |
| Achromatopsia (no color) | #595959 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256540
#256540
oklch(45.5% 0.089 155)
- #75426A
#75426A
oklch(45.5% 0.09 335.4)
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 #256540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.026
- Spruce #0A5F38 ΔE 0.028
- Dark Green Blue #1F6357 ΔE 0.038
- Army Green #4B5D16 ΔE 0.052
- Camouflage Green #4B6113 ΔE 0.053
- Camo Green #526525 ΔE 0.053
- Dark Olive Green #556B2F ΔE 0.060
- Dark Aqua #05696B ΔE 0.064
Use #256540 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.