#256F52
Closest named color: Dark Green Blue (#1F6357). oklch(48.8% 0.087 163.7), rgb(37, 111, 82).
Aa
White text reads best on this color (6.04:1).
About this color
#256F52 is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.087 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.043 away. White text reads best on it, at 6.04:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.47:1 |
| White text | 6.04:1 |
Values
| HEX | #256F52 |
| RGB | rgb(37, 111, 82) |
| HSL | hsl(156, 50%, 29%) |
| OKLCH | oklch(48.8% 0.087 163.7) |
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 #256F52 | 6.04:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #256F52 | 3.47:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #256F52 text on white | 6.04:1 | AA | Lc 79.9 | Fine for body text |
| #256F52 text on black | 3.47:1 | AA large text | Lc -21.9 | 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
#E3EDE8
oklch(93.7% 0.013 164.8)
-
Step 200
200
#CCDED5
oklch(88.5% 0.023 164.5)
-
Step 300
300
#A9CAB9
oklch(81% 0.043 162.9)
-
Step 400
400
#79AE95
oklch(70.6% 0.067 163.7)
-
Step 500
500
#549A7B
oklch(63.1% 0.086 163.5)
-
Step 600
600
#358464
oklch(55.5% 0.093 163.7)
-
Step 700
700 (this color)
#256F52
oklch(48.8% 0.087 163.7)
-
Step 800
800
#225B44
oklch(42.6% 0.071 163.8)
-
Step 900
900
#224B39
oklch(37.7% 0.056 163.1)
-
Step 950
950
#152C22
oklch(27.1% 0.035 164.2)
#256F52 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) | #6D6750 | 0.085 |
| Deuteranopia (no green cones) | #636054 | 0.082 |
| Tritanopia (no blue cones) | #006F67 | 0.034 |
| Achromatopsia (no color) | #636363 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256F52
#256F52
oklch(48.8% 0.087 163.7)
- #824B6C
#824B6C
oklch(48.8% 0.087 344)
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 #256F52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.043
- Dark Aquamarine #017371 ΔE 0.046
- Deep Turquoise #017374 ΔE 0.050
- Dark Aqua #05696B ΔE 0.051
- Dark Olive Green #556B2F ΔE 0.057
- Bluegreen #017A79 ΔE 0.059
- Pine #2B5D34 ΔE 0.060
- Spruce #0A5F38 ΔE 0.061
Use #256F52 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.