#556D4D
Closest named color: Dark Moss Green (#606C38). oklch(50.6% 0.057 138), rgb(85, 109, 77).
Aa
White text reads best on this color (5.70:1).
About this color
#556D4D is a medium-dark, muted green. In OKLCH its lightness is 51%, its chroma 0.057 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.028 away. White text reads best on it, at 5.70:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.68:1 |
| White text | 5.70:1 |
Values
| HEX | #556D4D |
| RGB | rgb(85, 109, 77) |
| HSL | hsl(105, 17%, 36%) |
| OKLCH | oklch(50.6% 0.057 138) |
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 #556D4D | 5.70:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #556D4D | 3.68:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #556D4D text on white | 5.70:1 | AA | Lc 78.5 | Fine for body text |
| #556D4D text on black | 3.68:1 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE6
oklch(93.6% 0.008 139.4)
-
Step 200
200
#D4DCD2
oklch(88.6% 0.016 139.4)
-
Step 300
300
#B8C5B4
oklch(80.9% 0.027 138.3)
-
Step 400
400
#93A88D
oklch(70.8% 0.045 138.7)
-
Step 500
500
#799271
oklch(63.1% 0.056 138.2)
-
Step 600
600
#627C59
oklch(55.6% 0.061 137.8)
-
Step 700
700 (this color)
#556D4D
oklch(50.6% 0.057 138)
-
Step 800
800
#42553C
oklch(42.6% 0.047 138.3)
-
Step 900
900
#384633
oklch(37.6% 0.036 137.6)
-
Step 950
950
#21291E
oklch(26.9% 0.023 137.2)
#556D4D 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) | #6F684B | 0.039 |
| Deuteranopia (no green cones) | #6B664F | 0.038 |
| Tritanopia (no blue cones) | #546B64 | 0.038 |
| Achromatopsia (no color) | #666666 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556D4D
#556D4D
oklch(50.6% 0.057 138)
- #735B7A
#735B7A
oklch(50.7% 0.056 318.5)
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 #556D4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.028
- Dark Olive Green #556B2F ΔE 0.037
- Muddy Green #657432 ΔE 0.049
- Camo Green #526525 ΔE 0.050
- Dim Gray #696969 ΔE 0.059
- Military Green #667C3E ΔE 0.061
- Mud Green #606602 ΔE 0.064
- Brown Green #706C11 ΔE 0.065
Use #556D4D 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.