#256A42
Closest named color: Pine (#2B5D34). oklch(47% 0.095 154.6), rgb(37, 106, 66).
Aa
White text reads best on this color (6.52:1).
About this color
#256A42 is a medium-dark, moderately saturated green. In OKLCH its lightness is 47%, its chroma 0.095 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.040 away. White text reads best on it, at 6.52:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 3.21:1 |
| White text | 6.52:1 |
Values
| HEX | #256A42 |
| RGB | rgb(37, 106, 66) |
| HSL | hsl(145, 48%, 28%) |
| OKLCH | oklch(47% 0.095 154.6) |
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 #256A42 | 6.52:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #256A42 | 3.21:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #256A42 text on white | 6.52:1 | AA | Lc 82.1 | Fine for body text |
| #256A42 text on black | 3.21:1 | AA large text | Lc -19.8 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CDDED2
oklch(88.4% 0.024 155.1)
-
Step 300
300
#AACAB4
oklch(80.9% 0.046 155.2)
-
Step 400
400
#7CAF8C
oklch(70.8% 0.074 154.2)
-
Step 500
500
#589A70
oklch(63% 0.093 154.8)
-
Step 600
600
#3B8558
oklch(55.7% 0.102 154.5)
-
Step 700
700 (this color)
#256A42
oklch(47% 0.095 154.6)
-
Step 800
800
#265B3B
oklch(42.6% 0.078 154.7)
-
Step 900
900
#244B33
oklch(37.7% 0.061 155.1)
-
Step 950
950
#162C1E
oklch(27% 0.039 154.9)
#256A42 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) | #6A623F | 0.084 |
| Deuteranopia (no green cones) | #615B45 | 0.083 |
| Tritanopia (no blue cones) | #086960 | 0.047 |
| Achromatopsia (no color) | #5E5E5E | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256A42
#256A42
oklch(47% 0.095 154.6)
- #7B4570
#7B4570
oklch(47% 0.095 334.9)
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 #256A42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.040
- Spruce #0A5F38 ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.045
- Camo Green #526525 ΔE 0.050
- Dark Olive Green #556B2F ΔE 0.052
- Camouflage Green #4B6113 ΔE 0.054
- Army Green #4B5D16 ΔE 0.057
- Dark Aqua #05696B ΔE 0.065
Use #256A42 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.