#556E39
Closest named color: Dark Olive Green (#556B2F). oklch(50.5% 0.083 129.7), rgb(85, 110, 57).
Aa
White text reads best on this color (5.71:1).
About this color
#556E39 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.083 and its hue 130°. 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 5.71:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.67:1 |
| White text | 5.71:1 |
Values
| HEX | #556E39 |
| RGB | rgb(85, 110, 57) |
| HSL | hsl(88, 32%, 33%) |
| OKLCH | oklch(50.5% 0.083 129.7) |
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 #556E39 | 5.71:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #556E39 | 3.67:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #556E39 text on white | 5.71:1 | AA | Lc 78.5 | Fine for body text |
| #556E39 text on black | 3.67:1 | AA large text | Lc -23.3 | 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
#E7EBE3
oklch(93.5% 0.011 128.6)
-
Step 200
200
#D4DCCD
oklch(88.4% 0.022 130)
-
Step 300
300
#B8C6AB
oklch(80.8% 0.04 129.7)
-
Step 400
400
#94A97E
oklch(70.7% 0.065 129.1)
-
Step 500
500
#79945E
oklch(63.2% 0.083 130.1)
-
Step 600
600
#627E44
oklch(55.7% 0.09 130)
-
Step 700
700 (this color)
#556E39
oklch(50.5% 0.083 129.7)
-
Step 800
800
#43562D
oklch(42.6% 0.067 129.2)
-
Step 900
900
#384728
oklch(37.6% 0.053 129.7)
-
Step 950
950
#212A18
oklch(27.1% 0.034 130)
#556E39 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) | #726835 | 0.044 |
| Deuteranopia (no green cones) | #6F663C | 0.045 |
| Tritanopia (no blue cones) | #576A61 | 0.063 |
| Achromatopsia (no color) | #666666 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556E39
#556E39
oklch(50.5% 0.083 129.7)
- #735788
#735788
oklch(50.5% 0.082 309.8)
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 #556E39, 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
- Dark Moss Green #606C38 ΔE 0.016
- Camo Green #526525 ΔE 0.031
- Muddy Green #657432 ΔE 0.032
- Mud Green #606602 ΔE 0.040
- Brown Green #706C11 ΔE 0.045
- Browny Green #6F6C0A ΔE 0.046
- Military Green #667C3E ΔE 0.050
Use #556E39 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.