#516B61
Closest named color: Slate (#516572). oklch(50.4% 0.035 169.4), rgb(81, 107, 97).
Aa
White text reads best on this color (5.79:1).
About this color
#516B61 is a medium-dark, muted green. In OKLCH its lightness is 50%, its chroma 0.035 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate (#516572), ΔE 0.038 away. White text reads best on it, at 5.79:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Slate (#516572) |
| Black text | 3.62:1 |
| White text | 5.79:1 |
Values
| HEX | #516B61 |
| RGB | rgb(81, 107, 97) |
| HSL | hsl(157, 14%, 37%) |
| OKLCH | oklch(50.4% 0.035 169.4) |
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 #516B61 | 5.79:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #516B61 | 3.62:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #516B61 text on white | 5.79:1 | AA | Lc 79.0 | Fine for body text |
| #516B61 text on black | 3.62:1 | AA large text | Lc -22.8 | 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
#D3DBD8
oklch(88.4% 0.01 171.8)
-
Step 300
300
#B7C4BF
oklch(80.9% 0.016 170.9)
-
Step 400
400
#91A69E
oklch(70.6% 0.026 170.6)
-
Step 500
500
#769086
oklch(63% 0.033 169.9)
-
Step 600
600
#5E7B70
oklch(55.7% 0.038 169.7)
-
Step 700
700 (this color)
#516B61
oklch(50.4% 0.035 169.4)
-
Step 800
800
#40544C
oklch(42.6% 0.028 168.6)
-
Step 900
900
#364640
oklch(37.8% 0.023 170.2)
-
Step 950
950
#202925
oklch(27.1% 0.015 166.5)
#516B61 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) | #6A6761 | 0.037 |
| Deuteranopia (no green cones) | #656462 | 0.034 |
| Tritanopia (no blue cones) | #4B6B68 | 0.013 |
| Achromatopsia (no color) | #656565 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516B61
#516B61
oklch(50.4% 0.035 169.4)
- #745D67
#745D67
oklch(50.5% 0.033 350.4)
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 #516B61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.038
- Dim Gray #696969 ΔE 0.039
- Dark Aquamarine #017371 ΔE 0.056
- Deep Turquoise #017374 ΔE 0.057
- Dark Aqua #05696B ΔE 0.060
- Dark Moss Green #606C38 ΔE 0.060
- Dark Green Blue #1F6357 ΔE 0.062
- Bluegreen #017A79 ΔE 0.063
Use #516B61 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.