#256B52
Closest named color: Dark Green Blue (#1F6357). oklch(47.6% 0.081 166), rgb(37, 107, 82).
Aa
White text reads best on this color (6.35:1).
About this color
#256B52 is a medium-dark, moderately saturated green. In OKLCH its lightness is 48%, its chroma 0.081 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.030 away. White text reads best on it, at 6.35:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.30:1 |
| White text | 6.35:1 |
Values
| HEX | #256B52 |
| RGB | rgb(37, 107, 82) |
| HSL | hsl(159, 49%, 28%) |
| OKLCH | oklch(47.6% 0.081 166) |
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 #256B52 | 6.35:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #256B52 | 3.30:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #256B52 text on white | 6.35:1 | AA | Lc 81.4 | Fine for body text |
| #256B52 text on black | 3.30:1 | AA large text | Lc -20.5 | 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
#CCDED6
oklch(88.5% 0.022 167.4)
-
Step 300
300
#AAC9BB
oklch(80.9% 0.039 166.3)
-
Step 400
400
#7BAE98
oklch(70.8% 0.063 166)
-
Step 500
500
#56997E
oklch(63% 0.081 166)
-
Step 600
600
#388467
oklch(55.7% 0.089 165.5)
-
Step 700
700 (this color)
#256B52
oklch(47.6% 0.081 166)
-
Step 800
800
#245B46
oklch(42.8% 0.068 165.4)
-
Step 900
900
#234A3B
oklch(37.5% 0.052 166.5)
-
Step 950
950
#162C23
oklch(27.1% 0.033 165.9)
#256B52 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) | #696351 | 0.082 |
| Deuteranopia (no green cones) | #5F5C54 | 0.079 |
| Tritanopia (no blue cones) | #006B64 | 0.030 |
| Achromatopsia (no color) | #5F5F5F | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256B52
#256B52
oklch(47.6% 0.081 166)
- #7D4966
#7D4966
oklch(47.6% 0.081 346.1)
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 #256B52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.030
- Dark Aqua #05696B ΔE 0.043
- Dark Aquamarine #017371 ΔE 0.047
- Deep Turquoise #017374 ΔE 0.051
- Pine #2B5D34 ΔE 0.052
- Spruce #0A5F38 ΔE 0.053
- Dark Olive Green #556B2F ΔE 0.062
- Camo Green #526525 ΔE 0.063
Use #256B52 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.