#516C59
Closest named color: Dim Gray (#696969). oklch(50.4% 0.044 153.9), rgb(81, 108, 89).
Aa
White text reads best on this color (5.77:1).
About this color
#516C59 is a medium-dark, muted green. In OKLCH its lightness is 50%, its chroma 0.044 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dim Gray (#696969), ΔE 0.047 away. White text reads best on it, at 5.77:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.63:1 |
| White text | 5.77:1 |
Values
| HEX | #516C59 |
| RGB | rgb(81, 108, 89) |
| HSL | hsl(138, 14%, 37%) |
| OKLCH | oklch(50.4% 0.044 153.9) |
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 #516C59 | 5.77:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #516C59 | 3.63:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #516C59 text on white | 5.77:1 | AA | Lc 78.9 | Fine for body text |
| #516C59 text on black | 3.63:1 | AA large text | Lc -22.9 | 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
#D3DBD6
oklch(88.4% 0.011 158.8)
-
Step 300
300
#B7C5BA
oklch(80.9% 0.022 152.1)
-
Step 400
400
#91A797
oklch(70.7% 0.034 153.9)
-
Step 500
500
#76927E
oklch(63.2% 0.043 153.9)
-
Step 600
600
#5E7C67
oklch(55.7% 0.047 154.1)
-
Step 700
700 (this color)
#516C59
oklch(50.4% 0.044 153.9)
-
Step 800
800
#405546
oklch(42.7% 0.036 153.6)
-
Step 900
900
#36463B
oklch(37.7% 0.028 154.9)
-
Step 950
950
#202922
oklch(27% 0.018 151.7)
#516C59 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) | #6C6858 | 0.039 |
| Deuteranopia (no green cones) | #67645A | 0.039 |
| Tritanopia (no blue cones) | #4D6B67 | 0.023 |
| Achromatopsia (no color) | #666666 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516C59
#516C59
oklch(50.4% 0.044 153.9)
- #745B6F
#745B6F
oklch(50.3% 0.044 333.2)
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 #516C59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.047
- Dark Moss Green #606C38 ΔE 0.047
- Slate #516572 ΔE 0.052
- Dark Olive Green #556B2F ΔE 0.055
- Dark Aquamarine #017371 ΔE 0.059
- Deep Turquoise #017374 ΔE 0.061
- Dark Green Blue #1F6357 ΔE 0.062
- Dark Aqua #05696B ΔE 0.064
Use #516C59 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.