#566F03
Closest named color: Mud Green (#606602). oklch(50.3% 0.123 123.8), rgb(86, 111, 3).
Aa
White text reads best on this color (5.72:1).
About this color
#566F03 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 50%, its chroma 0.123 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mud Green (#606602), ΔE 0.029 away. White text reads best on it, at 5.72:1.
| Hue family | Yellows |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Mud Green (#606602) |
| Black text | 3.67:1 |
| White text | 5.72:1 |
Values
| HEX | #566F03 |
| RGB | rgb(86, 111, 3) |
| HSL | hsl(74, 95%, 22%) |
| OKLCH | oklch(50.3% 0.123 123.8) |
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 #566F03 | 5.72:1 | AA | Lc -83.7 | Fine for body text |
| Black text on #566F03 | 3.67:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #566F03 text on white | 5.72:1 | AA | Lc 78.4 | Fine for body text |
| #566F03 text on black | 3.67:1 | AA large text | Lc -23.4 | 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
#E7ECE0
oklch(93.6% 0.017 125.3)
-
Step 200
200
#D4DDC6
oklch(88.4% 0.032 124.5)
-
Step 300
300
#B8C89D
oklch(80.9% 0.061 124.3)
-
Step 400
400
#94AB67
oklch(70.7% 0.096 124.1)
-
Step 500
500
#7A953A
oklch(63% 0.122 123.8)
-
Step 600
600
#647F0E
oklch(55.5% 0.132 123.5)
-
Step 700
700 (this color)
#566F03
oklch(50.3% 0.123 123.8)
-
Step 800
800
#445806
oklch(42.8% 0.103 123.8)
-
Step 900
900
#394812
oklch(37.6% 0.079 123.6)
-
Step 950
950
#212A0C
oklch(26.8% 0.05 123.8)
#566F03 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) | #766700 | 0.052 |
| Deuteranopia (no green cones) | #736613 | 0.053 |
| Tritanopia (no blue cones) | #5B695D | 0.101 |
| Achromatopsia (no color) | #666666 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #566F03
#566F03
oklch(50.3% 0.123 123.8)
- #74509D
#74509D
oklch(50.4% 0.123 303.9)
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 #566F03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Green #606602 ΔE 0.029
- Dark Olive Green #556B2F ΔE 0.035
- Browny Green #6F6C0A ΔE 0.039
- Camo Green #526525 ΔE 0.041
- Brown Green #706C11 ΔE 0.041
- Muddy Green #657432 ΔE 0.042
- Olive Green #677A04 ΔE 0.043
- Murky Green #6C7A0E ΔE 0.048
Use #566F03 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.