#566B5D
Closest named color: Dim Gray (#696969). oklch(50.6% 0.033 155.8), rgb(86, 107, 93).
Aa
White text reads best on this color (5.74:1).
About this color
#566B5D is a medium-dark, muted green. In OKLCH its lightness is 51%, its chroma 0.033 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dim Gray (#696969), ΔE 0.036 away. White text reads best on it, at 5.74:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.033) |
| Temperature | in between |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.65:1 |
| White text | 5.74:1 |
Values
| HEX | #566B5D |
| RGB | rgb(86, 107, 93) |
| HSL | hsl(140, 11%, 38%) |
| OKLCH | oklch(50.6% 0.033 155.8) |
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 #566B5D | 5.74:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #566B5D | 3.65:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #566B5D text on white | 5.74:1 | AA | Lc 78.7 | Fine for body text |
| #566B5D text on black | 3.65:1 | AA large text | Lc -23.1 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D5DBD7
oklch(88.6% 0.008 157.1)
-
Step 300
300
#B9C4BC
oklch(80.9% 0.016 154.4)
-
Step 400
400
#94A69A
oklch(70.8% 0.027 156.5)
-
Step 500
500
#7A9081
oklch(63.2% 0.034 155.5)
-
Step 600
600
#637A6A
oklch(55.6% 0.036 154.7)
-
Step 700
700 (this color)
#566B5D
oklch(50.6% 0.033 155.8)
-
Step 800
800
#435449
oklch(42.8% 0.028 156.7)
-
Step 900
900
#39453D
oklch(37.7% 0.021 156.1)
-
Step 950
950
#212924
oklch(27.1% 0.015 157.9)
#566B5D 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) | #6B685C | 0.031 |
| Deuteranopia (no green cones) | #67655E | 0.030 |
| Tritanopia (no blue cones) | #536B67 | 0.016 |
| Achromatopsia (no color) | #666666 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #566B5D
#566B5D
oklch(50.6% 0.033 155.8)
- #725E6C
#725E6C
oklch(50.6% 0.033 337.1)
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 #566B5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.036
- Slate #516572 ΔE 0.044
- Dark Moss Green #606C38 ΔE 0.053
- Dark Aquamarine #017371 ΔE 0.063
- Dark Taupe #7F684E ΔE 0.063
- Battleship Gray #6C757D ΔE 0.063
- Dark Olive Green #556B2F ΔE 0.064
- Deep Turquoise #017374 ΔE 0.064
Use #566B5D 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.