#256C50
Closest named color: Dark Green Blue (#1F6357). oklch(47.9% 0.084 163.7), rgb(37, 108, 80).
Aa
White text reads best on this color (6.28:1).
About this color
#256C50 is a medium-dark, moderately saturated green. In OKLCH its lightness is 48%, its chroma 0.084 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 0.035 away. White text reads best on it, at 6.28:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.33:1 |
| White text | 6.28:1 |
Values
| HEX | #256C50 |
| RGB | rgb(37, 108, 80) |
| HSL | hsl(156, 49%, 28%) |
| OKLCH | oklch(47.9% 0.084 163.7) |
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 #256C50 | 6.28:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #256C50 | 3.33:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #256C50 text on white | 6.28:1 | AA | Lc 81.1 | Fine for body text |
| #256C50 text on black | 3.33:1 | AA large text | Lc -20.8 | 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
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CCDED5
oklch(88.5% 0.023 164.5)
-
Step 300
300
#AAC9B9
oklch(80.8% 0.04 163)
-
Step 400
400
#7AAE95
oklch(70.7% 0.066 163.3)
-
Step 500
500
#569A7C
oklch(63.2% 0.084 163.8)
-
Step 600
600
#388465
oklch(55.6% 0.09 163.9)
-
Step 700
700 (this color)
#256C50
oklch(47.9% 0.084 163.7)
-
Step 800
800
#245B44
oklch(42.7% 0.07 163.3)
-
Step 900
900
#234B3A
oklch(37.8% 0.055 164)
-
Step 950
950
#152C22
oklch(27.1% 0.035 164.2)
#256C50 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) | #6A644E | 0.082 |
| Deuteranopia (no green cones) | #605D52 | 0.080 |
| Tritanopia (no blue cones) | #006C64 | 0.032 |
| Achromatopsia (no color) | #606060 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256C50
#256C50
oklch(47.9% 0.084 163.7)
- #7E4969
#7E4969
oklch(47.8% 0.084 343.7)
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 #256C50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.035
- Dark Aqua #05696B ΔE 0.048
- Dark Aquamarine #017371 ΔE 0.049
- Pine #2B5D34 ΔE 0.052
- Deep Turquoise #017374 ΔE 0.053
- Spruce #0A5F38 ΔE 0.053
- Dark Olive Green #556B2F ΔE 0.059
- Camo Green #526525 ΔE 0.061
Use #256C50 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.