#556D27
Closest named color: Dark Olive Green (#556B2F). oklch(50% 0.1 125.8), rgb(85, 109, 39).
Aa
White text reads best on this color (5.82:1).
About this color
#556D27 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.100 and its hue 126°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.012 away. White text reads best on it, at 5.82:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.60:1 |
| White text | 5.82:1 |
Values
| HEX | #556D27 |
| RGB | rgb(85, 109, 39) |
| HSL | hsl(81, 47%, 29%) |
| OKLCH | oklch(50% 0.1 125.8) |
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 #556D27 | 5.82:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #556D27 | 3.60:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #556D27 text on white | 5.82:1 | AA | Lc 79.1 | Fine for body text |
| #556D27 text on black | 3.60:1 | AA large text | Lc -22.7 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E7ECE2
oklch(93.7% 0.014 128.6)
-
Step 200
200
#D5DDCA
oklch(88.6% 0.027 125.6)
-
Step 300
300
#B9C7A5
oklch(81% 0.049 125.7)
-
Step 400
400
#95AA74
oklch(70.8% 0.078 125.6)
-
Step 500
500
#7B944F
oklch(63.1% 0.099 125.5)
-
Step 600
600
#647E32
oklch(55.6% 0.107 125.6)
-
Step 700
700 (this color)
#556D27
oklch(50% 0.1 125.8)
-
Step 800
800
#445720
oklch(42.8% 0.083 125.7)
-
Step 900
900
#39481F
oklch(37.8% 0.066 126)
-
Step 950
950
#212A13
oklch(27% 0.041 126.5)
#556D27 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) | #73661F | 0.047 |
| Deuteranopia (no green cones) | #6F652C | 0.046 |
| Tritanopia (no blue cones) | #58685E | 0.080 |
| Achromatopsia (no color) | #656565 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556D27
#556D27
oklch(50% 0.1 125.8)
- #715390
#715390
oklch(49.9% 0.1 305.7)
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 #556D27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.012
- Camo Green #526525 ΔE 0.025
- Mud Green #606602 ΔE 0.026
- Dark Moss Green #606C38 ΔE 0.027
- Muddy Green #657432 ΔE 0.034
- Browny Green #6F6C0A ΔE 0.038
- Brown Green #706C11 ΔE 0.039
- Camouflage Green #4B6113 ΔE 0.041
Use #556D27 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.