#516559
Closest named color: Slate (#516572). oklch(48.6% 0.031 158.7), rgb(81, 101, 89).
Aa
White text reads best on this color (6.25:1).
About this color
#516559 is a medium-dark, muted green. In OKLCH its lightness is 49%, its chroma 0.031 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate (#516572), ΔE 0.040 away. White text reads best on it, at 6.25:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Slate (#516572) |
| Black text | 3.35:1 |
| White text | 6.25:1 |
Values
| HEX | #516559 |
| RGB | rgb(81, 101, 89) |
| HSL | hsl(144, 11%, 36%) |
| OKLCH | oklch(48.6% 0.031 158.7) |
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 #516559 | 6.25:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #516559 | 3.35:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #516559 text on white | 6.25:1 | AA | Lc 81.2 | Fine for body text |
| #516559 text on black | 3.35:1 | AA large text | Lc -20.7 | 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
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D5DBD7
oklch(88.6% 0.008 157.1)
-
Step 300
300
#B9C4BD
oklch(81% 0.015 158.2)
-
Step 400
400
#95A59B
oklch(70.6% 0.023 158.4)
-
Step 500
500
#7B8F83
oklch(63.1% 0.029 159.1)
-
Step 600
600
#637A6C
oklch(55.7% 0.034 158.3)
-
Step 700
700 (this color)
#516559
oklch(48.6% 0.031 158.7)
-
Step 800
800
#43534A
oklch(42.6% 0.025 160.5)
-
Step 900
900
#39453E
oklch(37.7% 0.02 159.7)
-
Step 950
950
#212824
oklch(26.8% 0.012 160.4)
#516559 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) | #656258 | 0.030 |
| Deuteranopia (no green cones) | #615F5A | 0.029 |
| Tritanopia (no blue cones) | #4E6561 | 0.013 |
| Achromatopsia (no color) | #606060 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516559
#516559
oklch(48.6% 0.031 158.7)
- #6C5965
#6C5965
oklch(48.7% 0.031 340.1)
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 #516559, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.040
- Dim Gray #696969 ΔE 0.046
- Dark Green Blue #1F6357 ΔE 0.054
- Dark Moss Green #606C38 ΔE 0.060
- Dark Aqua #05696B ΔE 0.060
- Dark Aquamarine #017371 ΔE 0.065
- Deep Turquoise #017374 ΔE 0.066
- Dark Olive Green #556B2F ΔE 0.066
Use #516559 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.