#256C4E
Closest named color: Dark Green Blue (#1F6357). oklch(47.8% 0.086 162.1), rgb(37, 108, 78).
Aa
White text reads best on this color (6.29:1).
About this color
#256C4E is a medium-dark, moderately saturated green. In OKLCH its lightness is 48%, its chroma 0.086 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.037 away. White text reads best on it, at 6.29:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.33:1 |
| White text | 6.29:1 |
Values
| HEX | #256C4E |
| RGB | rgb(37, 108, 78) |
| HSL | hsl(155, 49%, 28%) |
| OKLCH | oklch(47.8% 0.086 162.1) |
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 #256C4E | 6.29:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #256C4E | 3.33:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #256C4E text on white | 6.29:1 | AA | Lc 81.1 | Fine for body text |
| #256C4E 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
#E3ECE7
oklch(93.5% 0.012 162)
-
Step 200
200
#CCDED4
oklch(88.4% 0.024 161.7)
-
Step 300
300
#AAC9B8
oklch(80.8% 0.041 161.4)
-
Step 400
400
#7BAE94
oklch(70.7% 0.066 161.9)
-
Step 500
500
#569A7A
oklch(63.2% 0.085 162.2)
-
Step 600
600
#388463
oklch(55.6% 0.092 162.4)
-
Step 700
700 (this color)
#256C4E
oklch(47.8% 0.086 162.1)
-
Step 800
800
#245B43
oklch(42.7% 0.071 162.3)
-
Step 900
900
#234B38
oklch(37.7% 0.056 161.3)
-
Step 950
950
#152C21
oklch(27% 0.036 161.9)
#256C4E 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) | #6A644C | 0.083 |
| Deuteranopia (no green cones) | #615D50 | 0.081 |
| Tritanopia (no blue cones) | #006C64 | 0.035 |
| Achromatopsia (no color) | #606060 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256C4E
#256C4E
oklch(47.8% 0.086 162.1)
- #7E496B
#7E496B
oklch(47.9% 0.086 341.9)
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 #256C4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.037
- Dark Aqua #05696B ΔE 0.051
- Pine #2B5D34 ΔE 0.051
- Dark Aquamarine #017371 ΔE 0.051
- Spruce #0A5F38 ΔE 0.052
- Deep Turquoise #017374 ΔE 0.056
- Dark Olive Green #556B2F ΔE 0.057
- Camo Green #526525 ΔE 0.059
Use #256C4E 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.