#566C01
Closest named color: Mud Green (#606602). oklch(49.5% 0.12 122.6), rgb(86, 108, 1).
Aa
White text reads best on this color (5.93:1).
About this color
#566C01 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 50%, its chroma 0.120 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 0.022 away. White text reads best on it, at 5.93:1.
| Hue family | Yellows |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Mud Green (#606602) |
| Black text | 3.54:1 |
| White text | 5.93:1 |
Values
| HEX | #566C01 |
| RGB | rgb(86, 108, 1) |
| HSL | hsl(72, 98%, 21%) |
| OKLCH | oklch(49.5% 0.12 122.6) |
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 #566C01 | 5.93:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #566C01 | 3.54:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #566C01 text on white | 5.93:1 | AA | Lc 79.5 | Fine for body text |
| #566C01 text on black | 3.54:1 | AA large text | Lc -22.3 | 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
#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
#96AA68
oklch(70.7% 0.092 122.5)
-
Step 500
500
#7D953B
oklch(63.2% 0.12 122.4)
-
Step 600
600
#667F11
oklch(55.7% 0.13 122.7)
-
Step 700
700 (this color)
#566C01
oklch(49.5% 0.12 122.6)
-
Step 800
800
#455708
oklch(42.6% 0.1 122.8)
-
Step 900
900
#3A4813
oklch(37.7% 0.078 122.9)
-
Step 950
950
#222A0D
oklch(26.9% 0.049 122.6)
#566C01 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) | #736400 | 0.049 |
| Deuteranopia (no green cones) | #706411 | 0.048 |
| Tritanopia (no blue cones) | #5B665B | 0.101 |
| Achromatopsia (no color) | #646464 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #566C01
#566C01
oklch(49.5% 0.12 122.6)
- #704E9A
#704E9A
oklch(49.5% 0.122 302.9)
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 #566C01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Green #606602 ΔE 0.022
- Dark Olive Green #556B2F ΔE 0.032
- Camo Green #526525 ΔE 0.034
- Browny Green #6F6C0A ΔE 0.039
- Camouflage Green #4B6113 ΔE 0.040
- Brown Green #706C11 ΔE 0.042
- Greeny Brown #696006 ΔE 0.045
- Muddy Green #657432 ΔE 0.046
Use #566C01 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.