#4D6D66
Closest named color: Slate (#516572). oklch(50.8% 0.039 179.6), rgb(77, 109, 102).
Aa
White text reads best on this color (5.68:1).
About this color
#4D6D66 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.039 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.037 away. White text reads best on it, at 5.68:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.69:1 |
| White text | 5.68:1 |
Values
| HEX | #4D6D66 |
| RGB | rgb(77, 109, 102) |
| HSL | hsl(167, 17%, 36%) |
| OKLCH | oklch(50.8% 0.039 179.6) |
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 #4D6D66 | 5.68:1 | AA | Lc -83.7 | Fine for body text |
| Black text on #4D6D66 | 3.69:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #4D6D66 text on white | 5.68:1 | AA | Lc 78.4 | Fine for body text |
| #4D6D66 text on black | 3.69:1 | AA large text | Lc -23.4 | 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
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DBD9
oklch(88.4% 0.01 181.4)
-
Step 300
300
#B4C5C1
oklch(80.9% 0.019 180.1)
-
Step 400
400
#8DA7A1
oklch(70.7% 0.03 179.9)
-
Step 500
500
#71918A
oklch(63% 0.037 180.2)
-
Step 600
600
#597C74
oklch(55.7% 0.042 179)
-
Step 700
700 (this color)
#4D6D66
oklch(50.8% 0.039 179.6)
-
Step 800
800
#3C554F
oklch(42.7% 0.032 178.2)
-
Step 900
900
#334642
oklch(37.7% 0.025 180.5)
-
Step 950
950
#1E2927
oklch(27% 0.016 182.8)
#4D6D66 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) | #6A6966 | 0.041 |
| Deuteranopia (no green cones) | #646567 | 0.039 |
| Tritanopia (no blue cones) | #446E6B | 0.012 |
| Achromatopsia (no color) | #676767 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D6D66
#4D6D66
oklch(50.8% 0.039 179.6)
- #795C65
#795C65
oklch(50.7% 0.04 358.2)
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 #4D6D66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.037
- Dim Gray #696969 ΔE 0.041
- Dark Aquamarine #017371 ΔE 0.049
- Deep Turquoise #017374 ΔE 0.050
- Bluegreen #017A79 ΔE 0.055
- Deep Aqua #08787F ΔE 0.055
- Dark Aqua #05696B ΔE 0.056
- Battleship Gray #6C757D ΔE 0.061
Use #4D6D66 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.