#556E1B
Closest named color: Dark Olive Green (#556B2F). oklch(50.1% 0.112 125), rgb(85, 110, 27).
Aa
White text reads best on this color (5.78:1).
About this color
#556E1B is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.112 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.023 away. White text reads best on it, at 5.78:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.63:1 |
| White text | 5.78:1 |
Values
| HEX | #556E1B |
| RGB | rgb(85, 110, 27) |
| HSL | hsl(78, 61%, 27%) |
| OKLCH | oklch(50.1% 0.112 125) |
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 #556E1B | 5.78:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #556E1B | 3.63:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #556E1B text on white | 5.78:1 | AA | Lc 78.8 | Fine for body text |
| #556E1B text on black | 3.63:1 | AA large text | Lc -23.0 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE1
oklch(93.6% 0.016 126.8)
-
Step 200
200
#D4DDC8
oklch(88.5% 0.03 126)
-
Step 300
300
#B8C7A1
oklch(80.8% 0.054 125.1)
-
Step 400
400
#94AA6E
oklch(70.6% 0.086 124.9)
-
Step 500
500
#7A9546
oklch(63.1% 0.111 125.1)
-
Step 600
600
#637F25
oklch(55.6% 0.12 125.2)
-
Step 700
700 (this color)
#556E1B
oklch(50.1% 0.112 125)
-
Step 800
800
#435717
oklch(42.6% 0.092 125.2)
-
Step 900
900
#39481A
oklch(37.7% 0.072 124.9)
-
Step 950
950
#212A10
oklch(26.9% 0.045 125.1)
#556E1B 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) | #74660C | 0.049 |
| Deuteranopia (no green cones) | #716522 | 0.051 |
| Tritanopia (no blue cones) | #59685E | 0.092 |
| Achromatopsia (no color) | #666666 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556E1B
#556E1B
oklch(50.1% 0.112 125)
- #735196
#735196
oklch(50.1% 0.112 305.5)
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 #556E1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.023
- Mud Green #606602 ΔE 0.025
- Camo Green #526525 ΔE 0.032
- Muddy Green #657432 ΔE 0.037
- Dark Moss Green #606C38 ΔE 0.037
- Browny Green #6F6C0A ΔE 0.037
- Brown Green #706C11 ΔE 0.039
- Camouflage Green #4B6113 ΔE 0.043
Use #556E1B 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.