#566E5A
Closest named color: Dim Gray (#696969). oklch(51.3% 0.042 149.6), rgb(86, 110, 90).
Aa
White text reads best on this color (5.56:1).
About this color
#566E5A is a medium-dark, muted green. In OKLCH its lightness is 51%, its chroma 0.042 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dim Gray (#696969), ΔE 0.043 away. White text reads best on it, at 5.56:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.77:1 |
| White text | 5.56:1 |
Values
| HEX | #566E5A |
| RGB | rgb(86, 110, 90) |
| HSL | hsl(130, 12%, 38%) |
| OKLCH | oklch(51.3% 0.042 149.6) |
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 #566E5A | 5.56:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #566E5A | 3.77:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #566E5A text on white | 5.56:1 | AA | Lc 77.8 | Fine for body text |
| #566E5A text on black | 3.77:1 | AA large text | Lc -24.0 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D4DBD5
oklch(88.4% 0.011 149.8)
-
Step 300
300
#B8C5BA
oklch(81% 0.021 150)
-
Step 400
400
#93A796
oklch(70.8% 0.033 149.6)
-
Step 500
500
#78917C
oklch(63.1% 0.042 149.7)
-
Step 600
600
#617B65
oklch(55.6% 0.045 149.2)
-
Step 700
700 (this color)
#566E5A
oklch(51.3% 0.042 149.6)
-
Step 800
800
#425545
oklch(42.8% 0.035 149.4)
-
Step 900
900
#38463A
oklch(37.8% 0.027 149)
-
Step 950
950
#212922
oklch(27.1% 0.017 148.6)
#566E5A 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) | #6E6A59 | 0.035 |
| Deuteranopia (no green cones) | #6A675B | 0.035 |
| Tritanopia (no blue cones) | #536D68 | 0.023 |
| Achromatopsia (no color) | #686868 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #566E5A
#566E5A
oklch(51.3% 0.042 149.6)
- #755E73
#755E73
oklch(51.2% 0.043 329)
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 #566E5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.043
- Dark Moss Green #606C38 ΔE 0.045
- Slate #516572 ΔE 0.055
- Dark Olive Green #556B2F ΔE 0.056
- Dark Taupe #7F684E ΔE 0.062
- Grey Brown #7F7053 ΔE 0.062
- Muddy Green #657432 ΔE 0.062
- Dark Aquamarine #017371 ΔE 0.063
Use #566E5A 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.