#556739
Closest named color: Dark Olive Green (#556B2F). oklch(48.7% 0.072 126.4), rgb(85, 103, 57).
Aa
White text reads best on this color (6.20:1).
About this color
#556739 is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.072 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 0.020 away. White text reads best on it, at 6.20:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.38:1 |
| White text | 6.20:1 |
Values
| HEX | #556739 |
| RGB | rgb(85, 103, 57) |
| HSL | hsl(83, 29%, 31%) |
| OKLCH | oklch(48.7% 0.072 126.4) |
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 #556739 | 6.20:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #556739 | 3.38:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #556739 text on white | 6.20:1 | AA | Lc 80.9 | Fine for body text |
| #556739 text on black | 3.38:1 | AA large text | Lc -21.0 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E8EBE4
oklch(93.6% 0.01 125.7)
-
Step 200
200
#D6DCCE
oklch(88.6% 0.02 125.8)
-
Step 300
300
#BBC5AD
oklch(80.9% 0.035 125.6)
-
Step 400
400
#98A782
oklch(70.7% 0.055 125.7)
-
Step 500
500
#7E9262
oklch(63.2% 0.072 126.7)
-
Step 600
600
#687C49
oklch(55.7% 0.077 126.2)
-
Step 700
700 (this color)
#556739
oklch(48.7% 0.072 126.4)
-
Step 800
800
#475530
oklch(42.7% 0.06 125.7)
-
Step 900
900
#3B462B
oklch(37.6% 0.046 126.5)
-
Step 950
950
#232919
oklch(27% 0.029 125)
#556739 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) | #6B6235 | 0.035 |
| Deuteranopia (no green cones) | #69613B | 0.035 |
| Tritanopia (no blue cones) | #57635C | 0.057 |
| Achromatopsia (no color) | #616161 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556739
#556739
oklch(48.7% 0.072 126.4)
- #6A5580
#6A5580
oklch(48.8% 0.072 306.3)
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 #556739, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.020
- Camo Green #526525 ΔE 0.023
- Dark Moss Green #606C38 ΔE 0.023
- Mud Green #606602 ΔE 0.042
- Camouflage Green #4B6113 ΔE 0.043
- Greeny Brown #696006 ΔE 0.044
- Army Green #4B5D16 ΔE 0.046
- Muddy Green #657432 ΔE 0.050
Use #556739 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.