#4E6D66
Closest named color: Slate (#516572). oklch(50.8% 0.038 179.2), rgb(78, 109, 102).
Aa
White text reads best on this color (5.67:1).
About this color
#4E6D66 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.038 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.036 away. White text reads best on it, at 5.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.70:1 |
| White text | 5.67:1 |
Values
| HEX | #4E6D66 |
| RGB | rgb(78, 109, 102) |
| HSL | hsl(166, 17%, 37%) |
| OKLCH | oklch(50.8% 0.038 179.2) |
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 #4E6D66 | 5.67:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #4E6D66 | 3.70:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #4E6D66 text on white | 5.67:1 | AA | Lc 78.3 | Fine for body text |
| #4E6D66 text on black | 3.70:1 | 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
#B5C5C1
oklch(81% 0.018 179.2)
-
Step 400
400
#8EA7A1
oklch(70.7% 0.029 179.3)
-
Step 500
500
#71918A
oklch(63% 0.037 180.2)
-
Step 600
600
#597B74
oklch(55.5% 0.04 180.6)
-
Step 700
700 (this color)
#4E6D66
oklch(50.8% 0.038 179.2)
-
Step 800
800
#3C554F
oklch(42.7% 0.032 178.2)
-
Step 900
900
#344642
oklch(37.7% 0.024 179.8)
-
Step 950
950
#1E2927
oklch(27% 0.016 182.8)
#4E6D66 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 | 0.040 |
| Deuteranopia (no green cones) | #656567 | 0.039 |
| Tritanopia (no blue cones) | #456E6B | 0.012 |
| Achromatopsia (no color) | #676767 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E6D66
#4E6D66
oklch(50.8% 0.038 179.2)
- #785D65
#785D65
oklch(50.8% 0.037 358.9)
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 #4E6D66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.036
- Dim Gray #696969 ΔE 0.040
- Dark Aquamarine #017371 ΔE 0.050
- Deep Turquoise #017374 ΔE 0.051
- Bluegreen #017A79 ΔE 0.056
- Deep Aqua #08787F ΔE 0.056
- Dark Aqua #05696B ΔE 0.057
- Battleship Gray #6C757D ΔE 0.060
Use #4E6D66 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.