#256A52
Closest named color: Dark Green Blue (#1F6357). oklch(47.4% 0.08 166.7), rgb(37, 106, 82).
Aa
White text reads best on this color (6.43:1).
About this color
#256A52 is a medium-dark, moderately saturated green. In OKLCH its lightness is 47%, its chroma 0.080 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.027 away. White text reads best on it, at 6.43:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.26:1 |
| White text | 6.43:1 |
Values
| HEX | #256A52 |
| RGB | rgb(37, 106, 82) |
| HSL | hsl(159, 48%, 28%) |
| OKLCH | oklch(47.4% 0.08 166.7) |
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 #256A52 | 6.43:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #256A52 | 3.26:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #256A52 text on white | 6.43:1 | AA | Lc 81.7 | Fine for body text |
| #256A52 text on black | 3.26:1 | AA large text | Lc -20.2 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CDDED6
oklch(88.6% 0.021 166)
-
Step 300
300
#AAC9BB
oklch(80.9% 0.039 166.3)
-
Step 400
400
#7BAD98
oklch(70.6% 0.062 166.7)
-
Step 500
500
#57997F
oklch(63.1% 0.079 166.6)
-
Step 600
600
#398368
oklch(55.5% 0.086 166.6)
-
Step 700
700 (this color)
#256A52
oklch(47.4% 0.08 166.7)
-
Step 800
800
#255A47
oklch(42.6% 0.065 167.1)
-
Step 900
900
#244A3C
oklch(37.6% 0.05 167.6)
-
Step 950
950
#162C23
oklch(27.1% 0.033 165.9)
#256A52 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) | #686351 | 0.080 |
| Deuteranopia (no green cones) | #5E5C54 | 0.077 |
| Tritanopia (no blue cones) | #006A63 | 0.029 |
| Achromatopsia (no color) | #5E5E5E | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256A52
#256A52
oklch(47.4% 0.08 166.7)
- #7C4965
#7C4965
oklch(47.4% 0.079 346.5)
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 #256A52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.027
- Dark Aqua #05696B ΔE 0.042
- Dark Aquamarine #017371 ΔE 0.047
- Pine #2B5D34 ΔE 0.050
- Spruce #0A5F38 ΔE 0.051
- Deep Turquoise #017374 ΔE 0.051
- Petrol #005F6A ΔE 0.063
- Dark Olive Green #556B2F ΔE 0.063
Use #256A52 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.