#556A00
Closest named color: Mud Green (#606602). oklch(48.9% 0.119 122.2), rgb(85, 106, 0).
Aa
White text reads best on this color (6.09:1).
About this color
#556A00 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 49%, its chroma 0.119 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mud Green (#606602), ΔE 0.020 away. White text reads best on it, at 6.09:1.
| Hue family | Yellows |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Mud Green (#606602) |
| Black text | 3.44:1 |
| White text | 6.09:1 |
Values
| HEX | #556A00 |
| RGB | rgb(85, 106, 0) |
| HSL | hsl(72, 100%, 21%) |
| OKLCH | oklch(48.9% 0.119 122.2) |
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 #556A00 | 6.09:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #556A00 | 3.44:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #556A00 text on white | 6.09:1 | AA | Lc 80.2 | Fine for body text |
| #556A00 text on black | 3.44:1 | AA large text | Lc -21.6 | 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
#E8ECE0
oklch(93.7% 0.017 121.8)
-
Step 200
200
#D5DDC6
oklch(88.5% 0.032 122.7)
-
Step 300
300
#BAC79E
oklch(80.9% 0.057 122)
-
Step 400
400
#97AA68
oklch(70.7% 0.092 121.9)
-
Step 500
500
#7D943C
oklch(63% 0.118 122.1)
-
Step 600
600
#677E14
oklch(55.5% 0.127 122)
-
Step 700
700 (this color)
#556A00
oklch(48.9% 0.119 122.2)
-
Step 800
800
#46570A
oklch(42.7% 0.098 122.2)
-
Step 900
900
#3B4813
oklch(37.8% 0.077 122)
-
Step 950
950
#222A0D
oklch(26.9% 0.049 122.6)
#556A00 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) | #716300 | 0.047 |
| Deuteranopia (no green cones) | #6E6210 | 0.047 |
| Tritanopia (no blue cones) | #5A6459 | 0.099 |
| Achromatopsia (no color) | #626262 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556A00
#556A00
oklch(48.9% 0.119 122.2)
- #6D4D98
#6D4D98
oklch(48.9% 0.12 301.8)
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 #556A00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Green #606602 ΔE 0.020
- Camo Green #526525 ΔE 0.030
- Dark Olive Green #556B2F ΔE 0.031
- Camouflage Green #4B6113 ΔE 0.034
- Browny Green #6F6C0A ΔE 0.042
- Greeny Brown #696006 ΔE 0.042
- Brown Green #706C11 ΔE 0.044
- Army Green #4B5D16 ΔE 0.047
Use #556A00 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.