#566657
Closest named color: Dim Gray (#696969). oklch(49.2% 0.031 146.8), rgb(86, 102, 87).
Aa
White text reads best on this color (6.11:1).
About this color
#566657 is a medium-dark, muted green. In OKLCH its lightness is 49%, its chroma 0.031 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dim Gray (#696969), ΔE 0.042 away. White text reads best on it, at 6.11:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.43:1 |
| White text | 6.11:1 |
Values
| HEX | #566657 |
| RGB | rgb(86, 102, 87) |
| HSL | hsl(124, 9%, 37%) |
| OKLCH | oklch(49.2% 0.031 146.8) |
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 #566657 | 6.11:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #566657 | 3.43:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #566657 text on white | 6.11:1 | AA | Lc 80.5 | Fine for body text |
| #566657 text on black | 3.43:1 | AA large text | Lc -21.3 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EBE8
oklch(93.7% 0.005 145.5)
-
Step 200
200
#D6DBD6
oklch(88.6% 0.009 145.5)
-
Step 300
300
#BBC3BB
oklch(80.9% 0.014 145.4)
-
Step 400
400
#97A598
oklch(70.7% 0.024 147.3)
-
Step 500
500
#7E8F7F
oklch(63.2% 0.031 146.8)
-
Step 600
600
#677968
oklch(55.6% 0.034 146.6)
-
Step 700
700 (this color)
#566657
oklch(49.2% 0.031 146.8)
-
Step 800
800
#465347
oklch(42.7% 0.026 147.2)
-
Step 900
900
#3B453C
oklch(37.8% 0.02 148)
-
Step 950
950
#232823
oklch(27% 0.012 145.2)
#566657 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) | #676356 | 0.026 |
| Deuteranopia (no green cones) | #646158 | 0.025 |
| Tritanopia (no blue cones) | #546562 | 0.019 |
| Achromatopsia (no color) | #626262 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #566657
#566657
oklch(49.2% 0.031 146.8)
- #6B5B6A
#6B5B6A
oklch(49.2% 0.031 328)
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 #566657, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.042
- Slate #516572 ΔE 0.044
- Dark Moss Green #606C38 ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.061
- Dark Olive Green #556B2F ΔE 0.062
- Dark Taupe #7F684E ΔE 0.065
- Camo Green #526525 ΔE 0.067
- Dark Aqua #05696B ΔE 0.067
Use #566657 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.