#4E5F57
Closest named color: Slate (#516572). oklch(46.9% 0.024 165.2), rgb(78, 95, 87).
Aa
White text reads best on this color (6.77:1).
About this color
#4E5F57 is a medium-dark close to neutral grey. In OKLCH its lightness is 47%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.043 away. White text reads best on it, at 6.77:1.
| Hue family | Neutrals |
| Lightness | medium-dark (47%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.09:1 |
| White text | 6.77:1 |
Values
| HEX | #4E5F57 |
| RGB | rgb(78, 95, 87) |
| HSL | hsl(152, 10%, 34%) |
| OKLCH | oklch(46.9% 0.024 165.2) |
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 #4E5F57 | 6.77:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #4E5F57 | 3.09:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #4E5F57 text on white | 6.77:1 | AA | Lc 83.4 | Fine for body text |
| #4E5F57 text on black | 3.09:1 | AA large text | Lc -18.6 | 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
#E8EAE9
oklch(93.5% 0.003 165.1)
-
Step 200
200
#D5DAD8
oklch(88.4% 0.006 170.4)
-
Step 300
300
#BAC3BF
oklch(80.9% 0.011 167.7)
-
Step 400
400
#96A59E
oklch(70.8% 0.02 166.1)
-
Step 500
500
#7C8E86
oklch(63% 0.024 167)
-
Step 600
600
#65786F
oklch(55.4% 0.026 165.2)
-
Step 700
700 (this color)
#4E5F57
oklch(46.9% 0.024 165.2)
-
Step 800
800
#45534C
oklch(42.8% 0.021 163.8)
-
Step 900
900
#3A443F
oklch(37.6% 0.016 164)
-
Step 950
950
#222825
oklch(27% 0.01 164.1)
#4E5F57 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) | #5E5C57 | 0.025 |
| Deuteranopia (no green cones) | #5B5A57 | 0.024 |
| Tritanopia (no blue cones) | #4B5F5D | 0.010 |
| Achromatopsia (no color) | #5B5B5B | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E5F57
#4E5F57
oklch(46.9% 0.024 165.2)
- #65555D
#65555D
oklch(46.8% 0.024 346.4)
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 #4E5F57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.043
- Dark Green Blue #1F6357 ΔE 0.049
- Dim Gray #696969 ΔE 0.058
- Dark Aqua #05696B ΔE 0.060
- YInMn Blue #415A77 ΔE 0.061
- Dusty Grape #545775 ΔE 0.063
- Petrol #005F6A ΔE 0.066
- Dark Slate Gray #2F4F4F ΔE 0.069
Use #4E5F57 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.