#556A40
Closest named color: Dark Moss Green (#606C38). oklch(49.6% 0.068 130.2), rgb(85, 106, 64).
Aa
White text reads best on this color (5.96:1).
About this color
#556A40 is a medium-dark, muted green. In OKLCH its lightness is 50%, its chroma 0.068 and its hue 130°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.020 away. White text reads best on it, at 5.96:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.52:1 |
| White text | 5.96:1 |
Values
| HEX | #556A40 |
| RGB | rgb(85, 106, 64) |
| HSL | hsl(90, 25%, 33%) |
| OKLCH | oklch(49.6% 0.068 130.2) |
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 #556A40 | 5.96:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #556A40 | 3.52:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #556A40 text on white | 5.96:1 | AA | Lc 79.8 | Fine for body text |
| #556A40 text on black | 3.52:1 | AA large text | Lc -22.0 | 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
#E8EBE5
oklch(93.6% 0.009 128.6)
-
Step 200
200
#D5DCCF
oklch(88.5% 0.019 130.2)
-
Step 300
300
#BAC5AF
oklch(80.9% 0.033 128.9)
-
Step 400
400
#96A885
oklch(70.8% 0.053 129.9)
-
Step 500
500
#7C9267
oklch(63.1% 0.067 130.2)
-
Step 600
600
#657C4E
oklch(55.6% 0.073 130.1)
-
Step 700
700 (this color)
#556A40
oklch(49.6% 0.068 130.2)
-
Step 800
800
#455534
oklch(42.7% 0.055 129.5)
-
Step 900
900
#3A462D
oklch(37.6% 0.044 129.1)
-
Step 950
950
#22291B
oklch(26.9% 0.027 129.6)
#556A40 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) | #6E653D | 0.038 |
| Deuteranopia (no green cones) | #6B6342 | 0.039 |
| Tritanopia (no blue cones) | #56675F | 0.050 |
| Achromatopsia (no color) | #636363 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556A40
#556A40
oklch(49.6% 0.068 130.2)
- #6E577F
#6E577F
oklch(49.6% 0.068 310.2)
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 #556A40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.020
- Dark Olive Green #556B2F ΔE 0.022
- Camo Green #526525 ΔE 0.032
- Muddy Green #657432 ΔE 0.045
- Mud Green #606602 ΔE 0.048
- Greeny Brown #696006 ΔE 0.051
- Camouflage Green #4B6113 ΔE 0.053
- Brown Green #706C11 ΔE 0.055
Use #556A40 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.