#566B0B
Closest named color: Mud Green (#606602). oklch(49.3% 0.116 122.4), rgb(86, 107, 11).
Aa
White text reads best on this color (5.99:1).
About this color
#566B0B is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 49%, its chroma 0.116 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 0.019 away. White text reads best on it, at 5.99:1.
| Hue family | Yellows |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Mud Green (#606602) |
| Black text | 3.50:1 |
| White text | 5.99:1 |
Values
| HEX | #566B0B |
| RGB | rgb(86, 107, 11) |
| HSL | hsl(73, 81%, 23%) |
| OKLCH | oklch(49.3% 0.116 122.4) |
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 #566B0B | 5.99:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #566B0B | 3.50:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #566B0B text on white | 5.99:1 | AA | Lc 79.8 | Fine for body text |
| #566B0B text on black | 3.50:1 | AA large text | Lc -22.0 | 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
#BAC79F
oklch(80.9% 0.056 122.3)
-
Step 400
400
#97AA6A
oklch(70.8% 0.09 122.2)
-
Step 500
500
#7D9440
oklch(63% 0.114 122.5)
-
Step 600
600
#677E1A
oklch(55.6% 0.124 122.2)
-
Step 700
700 (this color)
#566B0B
oklch(49.3% 0.116 122.4)
-
Step 800
800
#46570F
oklch(42.8% 0.096 122.5)
-
Step 900
900
#3B4816
oklch(37.8% 0.075 122.4)
-
Step 950
950
#222A0E
oklch(27% 0.047 122.9)
#566B0B 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) | #726400 | 0.045 |
| Deuteranopia (no green cones) | #6F6317 | 0.046 |
| Tritanopia (no blue cones) | #5B655A | 0.096 |
| Achromatopsia (no color) | #636363 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #566B0B
#566B0B
oklch(49.3% 0.116 122.4)
- #6E4F97
#6E4F97
oklch(49.3% 0.115 302.2)
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 #566B0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Green #606602 ΔE 0.019
- Dark Olive Green #556B2F ΔE 0.027
- Camo Green #526525 ΔE 0.029
- Camouflage Green #4B6113 ΔE 0.037
- Browny Green #6F6C0A ΔE 0.038
- Brown Green #706C11 ΔE 0.041
- Greeny Brown #696006 ΔE 0.041
- Dark Moss Green #606C38 ΔE 0.042
Use #566B0B 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.