#556D40
Closest named color: Dark Moss Green (#606C38). oklch(50.3% 0.073 131.4), rgb(85, 109, 64).
Aa
White text reads best on this color (5.75:1).
About this color
#556D40 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.073 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.016 away. White text reads best on it, at 5.75:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.64:1 |
| White text | 5.75:1 |
Values
| HEX | #556D40 |
| RGB | rgb(85, 109, 64) |
| HSL | hsl(92, 26%, 34%) |
| OKLCH | oklch(50.3% 0.073 131.4) |
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 #556D40 | 5.75:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #556D40 | 3.64:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #556D40 text on white | 5.75:1 | AA | Lc 78.8 | Fine for body text |
| #556D40 text on black | 3.64:1 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E7EBE4
oklch(93.5% 0.01 131.4)
-
Step 200
200
#D4DCCF
oklch(88.5% 0.02 133.1)
-
Step 300
300
#B8C6AE
oklch(80.9% 0.036 132.1)
-
Step 400
400
#94A884
oklch(70.6% 0.056 131.4)
-
Step 500
500
#7A9365
oklch(63.2% 0.072 131.4)
-
Step 600
600
#637D4C
oklch(55.6% 0.078 131.3)
-
Step 700
700 (this color)
#556D40
oklch(50.3% 0.073 131.4)
-
Step 800
800
#435632
oklch(42.7% 0.061 131.2)
-
Step 900
900
#38472C
oklch(37.7% 0.048 132)
-
Step 950
950
#212A1A
oklch(27.1% 0.031 132)
#556D40 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) | #71673D | 0.043 |
| Deuteranopia (no green cones) | #6D6542 | 0.042 |
| Tritanopia (no blue cones) | #566A62 | 0.054 |
| Achromatopsia (no color) | #666666 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556D40
#556D40
oklch(50.3% 0.073 131.4)
- #725883
#725883
oklch(50.4% 0.073 311.5)
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 #556D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.016
- Dark Olive Green #556B2F ΔE 0.020
- Camo Green #526525 ΔE 0.035
- Muddy Green #657432 ΔE 0.038
- Mud Green #606602 ΔE 0.047
- Brown Green #706C11 ΔE 0.051
- Browny Green #6F6C0A ΔE 0.052
- Greeny Brown #696006 ΔE 0.054
Use #556D40 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.