#516757
Closest named color: Slate (#516572). oklch(49.1% 0.037 153.3), rgb(81, 103, 87).
Aa
White text reads best on this color (6.12:1).
About this color
#516757 is a medium-dark, muted green. In OKLCH its lightness is 49%, its chroma 0.037 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate (#516572), ΔE 0.046 away. White text reads best on it, at 6.12:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Slate (#516572) |
| Black text | 3.42:1 |
| White text | 6.12:1 |
Values
| HEX | #516757 |
| RGB | rgb(81, 103, 87) |
| HSL | hsl(136, 12%, 36%) |
| OKLCH | oklch(49.1% 0.037 153.3) |
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 #516757 | 6.12:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #516757 | 3.42:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #516757 text on white | 6.12:1 | AA | Lc 80.6 | Fine for body text |
| #516757 text on black | 3.42:1 | 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
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D4DBD6
oklch(88.5% 0.01 155.1)
-
Step 300
300
#B8C4BB
oklch(80.8% 0.018 153.5)
-
Step 400
400
#94A698
oklch(70.7% 0.029 152.2)
-
Step 500
500
#79907F
oklch(63% 0.036 153.2)
-
Step 600
600
#627A69
oklch(55.5% 0.038 154.2)
-
Step 700
700 (this color)
#516757
oklch(49.1% 0.037 153.3)
-
Step 800
800
#425447
oklch(42.6% 0.031 153.6)
-
Step 900
900
#38453C
oklch(37.6% 0.023 155)
-
Step 950
950
#212923
oklch(27.1% 0.016 152.8)
#516757 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 | 0.033 |
| Deuteranopia (no green cones) | #636158 | 0.031 |
| Tritanopia (no blue cones) | #4E6662 | 0.019 |
| Achromatopsia (no color) | #626262 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516757
#516757
oklch(49.1% 0.037 153.3)
- #6E596A
#6E596A
oklch(49.1% 0.038 332.7)
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 #516757, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.046
- Dim Gray #696969 ΔE 0.047
- Dark Moss Green #606C38 ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.055
- Dark Olive Green #556B2F ΔE 0.060
- Dark Aqua #05696B ΔE 0.061
- Dark Aquamarine #017371 ΔE 0.063
- Camo Green #526525 ΔE 0.065
Use #516757 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.