#556918
Closest named color: Mud Green (#606602). oklch(48.8% 0.107 122.7), rgb(85, 105, 24).
Aa
White text reads best on this color (6.14:1).
About this color
#556918 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 49%, its chroma 0.107 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mud Green (#606602), ΔE 0.017 away. White text reads best on it, at 6.14:1.
| Hue family | Yellows |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Mud Green (#606602) |
| Black text | 3.42:1 |
| White text | 6.14:1 |
Values
| HEX | #556918 |
| RGB | rgb(85, 105, 24) |
| HSL | hsl(75, 63%, 25%) |
| OKLCH | oklch(48.8% 0.107 122.7) |
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 #556918 | 6.14:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #556918 | 3.42:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #556918 text on white | 6.14:1 | AA | Lc 80.5 | Fine for body text |
| #556918 text on black | 3.42:1 | AA large text | Lc -21.3 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E8ECE1
oklch(93.7% 0.015 123)
-
Step 200
200
#D5DDC8
oklch(88.6% 0.03 124)
-
Step 300
300
#BAC7A2
oklch(81% 0.052 123.3)
-
Step 400
400
#97A96F
oklch(70.6% 0.082 122.5)
-
Step 500
500
#7E9447
oklch(63.2% 0.106 122.7)
-
Step 600
600
#677E27
oklch(55.7% 0.116 122.9)
-
Step 700
700 (this color)
#556918
oklch(48.8% 0.107 122.7)
-
Step 800
800
#465618
oklch(42.6% 0.088 122.6)
-
Step 900
900
#3B471B
oklch(37.6% 0.068 122.4)
-
Step 950
950
#222A11
oklch(27% 0.044 123.9)
#556918 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) | #706208 | 0.043 |
| Deuteranopia (no green cones) | #6D621F | 0.043 |
| Tritanopia (no blue cones) | #5A6359 | 0.089 |
| Achromatopsia (no color) | #626262 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556918
#556918
oklch(48.8% 0.107 122.7)
- #6C4F91
#6C4F91
oklch(48.7% 0.107 302.9)
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 #556918, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Green #606602 ΔE 0.017
- Camo Green #526525 ΔE 0.019
- Dark Olive Green #556B2F ΔE 0.020
- Camouflage Green #4B6113 ΔE 0.030
- Greeny Brown #696006 ΔE 0.037
- Dark Moss Green #606C38 ΔE 0.037
- Browny Green #6F6C0A ΔE 0.041
- Army Green #4B5D16 ΔE 0.041
Use #556918 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.