#256D4E
Closest named color: Dark Green Blue (#1F6357). oklch(48.1% 0.088 161.6), rgb(37, 109, 78).
Aa
White text reads best on this color (6.22:1).
About this color
#256D4E is a medium-dark, moderately saturated green. In OKLCH its lightness is 48%, its chroma 0.088 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 0.040 away. White text reads best on it, at 6.22:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.37:1 |
| White text | 6.22:1 |
Values
| HEX | #256D4E |
| RGB | rgb(37, 109, 78) |
| HSL | hsl(154, 49%, 29%) |
| OKLCH | oklch(48.1% 0.088 161.6) |
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 #256D4E | 6.22:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #256D4E | 3.37:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #256D4E text on white | 6.22:1 | AA | Lc 80.7 | Fine for body text |
| #256D4E text on black | 3.37:1 | AA large text | Lc -21.1 | 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
#A9CAB8
oklch(81% 0.043 161.4)
-
Step 400
400
#7AAE93
oklch(70.6% 0.068 161.4)
-
Step 500
500
#559A79
oklch(63.1% 0.087 161.7)
-
Step 600
600
#378462
oklch(55.5% 0.094 161.9)
-
Step 700
700 (this color)
#256D4E
oklch(48.1% 0.088 161.6)
-
Step 800
800
#235B42
oklch(42.6% 0.073 161.6)
-
Step 900
900
#234B38
oklch(37.7% 0.056 161.3)
-
Step 950
950
#152C21
oklch(27% 0.036 161.9)
#256D4E 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) | #6B654C | 0.083 |
| Deuteranopia (no green cones) | #625E50 | 0.082 |
| Tritanopia (no blue cones) | #006D65 | 0.037 |
| Achromatopsia (no color) | #616161 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256D4E
#256D4E
oklch(48.1% 0.088 161.6)
- #7F496C
#7F496C
oklch(48.1% 0.087 341.6)
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 #256D4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.040
- Dark Aquamarine #017371 ΔE 0.051
- Dark Aqua #05696B ΔE 0.052
- Pine #2B5D34 ΔE 0.053
- Spruce #0A5F38 ΔE 0.054
- Dark Olive Green #556B2F ΔE 0.056
- Deep Turquoise #017374 ΔE 0.056
- Camo Green #526525 ΔE 0.059
Use #256D4E 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.