#536659
Closest named color: Slate (#516572). oklch(49% 0.031 155.2), rgb(83, 102, 89).
Aa
White text reads best on this color (6.15:1).
About this color
#536659 is a medium-dark, muted green. In OKLCH its lightness is 49%, its chroma 0.031 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate (#516572), ΔE 0.041 away. White text reads best on it, at 6.15:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Slate (#516572) |
| Black text | 3.41:1 |
| White text | 6.15:1 |
Values
| HEX | #536659 |
| RGB | rgb(83, 102, 89) |
| HSL | hsl(139, 10%, 36%) |
| OKLCH | oklch(49% 0.031 155.2) |
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 #536659 | 6.15:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #536659 | 3.41:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #536659 text on white | 6.15:1 | AA | Lc 80.7 | Fine for body text |
| #536659 text on black | 3.41:1 | AA large text | Lc -21.1 | 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
#E8EBE8
oklch(93.7% 0.005 145.5)
-
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
#95A59A
oklch(70.6% 0.024 155.7)
-
Step 500
500
#7B8F82
oklch(63% 0.03 156.9)
-
Step 600
600
#64796B
oklch(55.5% 0.033 156)
-
Step 700
700 (this color)
#536659
oklch(49% 0.031 155.2)
-
Step 800
800
#445349
oklch(42.6% 0.025 156)
-
Step 900
900
#39453D
oklch(37.7% 0.021 156.1)
-
Step 950
950
#222824
oklch(26.9% 0.011 156.4)
#536659 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) | #666358 | 0.028 |
| Deuteranopia (no green cones) | #62615A | 0.026 |
| Tritanopia (no blue cones) | #506662 | 0.014 |
| Achromatopsia (no color) | #616161 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536659
#536659
oklch(49% 0.031 155.2)
- #6C5A67
#6C5A67
oklch(49% 0.031 336)
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 #536659, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.041
- Dim Gray #696969 ΔE 0.043
- Dark Moss Green #606C38 ΔE 0.057
- Dark Green Blue #1F6357 ΔE 0.057
- Dark Aqua #05696B ΔE 0.062
- Dark Olive Green #556B2F ΔE 0.065
- Dark Aquamarine #017371 ΔE 0.065
- Deep Turquoise #017374 ΔE 0.067
Use #536659 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.