#556D56
Closest named color: Dark Moss Green (#606C38). oklch(50.9% 0.046 145.9), rgb(85, 109, 86).
Aa
White text reads best on this color (5.66:1).
About this color
#556D56 is a medium-dark, muted green. In OKLCH its lightness is 51%, its chroma 0.046 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.040 away. White text reads best on it, at 5.66:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.046) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.70:1 |
| White text | 5.66:1 |
Values
| HEX | #556D56 |
| RGB | rgb(85, 109, 86) |
| HSL | hsl(123, 12%, 38%) |
| OKLCH | oklch(50.9% 0.046 145.9) |
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 #556D56 | 5.66:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #556D56 | 3.70:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #556D56 text on white | 5.66:1 | AA | Lc 78.3 | Fine for body text |
| #556D56 text on black | 3.70:1 | AA large text | Lc -23.5 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE7
oklch(93.6% 0.007 145.5)
-
Step 200
200
#D4DBD4
oklch(88.4% 0.012 145.5)
-
Step 300
300
#B8C5B8
oklch(81% 0.023 145.4)
-
Step 400
400
#93A794
oklch(70.7% 0.035 146.6)
-
Step 500
500
#789179
oklch(63% 0.045 146.1)
-
Step 600
600
#617B62
oklch(55.5% 0.049 145.9)
-
Step 700
700 (this color)
#556D56
oklch(50.9% 0.046 145.9)
-
Step 800
800
#425543
oklch(42.8% 0.038 146.2)
-
Step 900
900
#384638
oklch(37.7% 0.03 145)
-
Step 950
950
#212921
oklch(27% 0.018 145)
#556D56 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) | #6E6955 | 0.037 |
| Deuteranopia (no green cones) | #6A6657 | 0.036 |
| Tritanopia (no blue cones) | #536C67 | 0.027 |
| Achromatopsia (no color) | #676767 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556D56
#556D56
oklch(50.9% 0.046 145.9)
- #745D74
#745D74
oklch(50.9% 0.046 326.2)
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 #556D56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.040
- Dim Gray #696969 ΔE 0.047
- Dark Olive Green #556B2F ΔE 0.051
- Slate #516572 ΔE 0.058
- Muddy Green #657432 ΔE 0.060
- Camo Green #526525 ΔE 0.062
- Dark Taupe #7F684E ΔE 0.063
- Grey Brown #7F7053 ΔE 0.064
Use #556D56 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.