#4E5A59
Closest named color: Slate (#516572). oklch(45.7% 0.015 190.5), rgb(78, 90, 89).
Aa
White text reads best on this color (7.16:1).
About this color
#4E5A59 is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.045 away. White text reads best on it, at 7.16:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 2.93:1 |
| White text | 7.16:1 |
Values
| HEX | #4E5A59 |
| RGB | rgb(78, 90, 89) |
| HSL | hsl(175, 7%, 33%) |
| OKLCH | oklch(45.7% 0.015 190.5) |
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 #4E5A59 | 7.16:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #4E5A59 | 2.93:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #4E5A59 text on white | 7.16:1 | AAA | Lc 84.9 | Fine for body text |
| #4E5A59 text on black | 2.93:1 | Fails | Lc -17.1 | 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 800.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EAEA
oklch(93.6% 0.002 197.1)
-
Step 200
200
#D6DADA
oklch(88.5% 0.004 197.1)
-
Step 300
300
#BBC2C2
oklch(80.9% 0.008 197)
-
Step 400
400
#97A4A2
oklch(70.8% 0.015 185.8)
-
Step 500
500
#7E8D8C
oklch(63.1% 0.017 191.8)
-
Step 600
600
#677776
oklch(55.6% 0.019 192)
-
Step 700
700
#556463
oklch(49% 0.018 191.6)
-
Step 800
800 (this color)
#4E5A59
oklch(45.7% 0.015 190.5)
-
Step 900
900
#3B4443
oklch(37.8% 0.012 188.5)
-
Step 950
950
#222827
oklch(27.1% 0.009 184.6)
#4E5A59 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) | #595959 | 0.017 |
| Deuteranopia (no green cones) | #565759 | 0.015 |
| Tritanopia (no blue cones) | #4B5B5A | 0.005 |
| Achromatopsia (no color) | #585858 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E5A59
#4E5A59
oklch(45.7% 0.015 190.5)
- #5F5455
#5F5455
oklch(45.7% 0.015 11.4)
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 #4E5A59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.045
- YInMn Blue #415A77 ΔE 0.051
- Dusty Grape #545775 ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.059
- Petrol #005F6A ΔE 0.064
- Dim Gray #696969 ΔE 0.066
- Dark Aqua #05696B ΔE 0.066
Use #4E5A59 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.