#4E5A55
Closest named color: Slate (#516572). oklch(45.6% 0.017 168.6), rgb(78, 90, 85).
Aa
White text reads best on this color (7.19:1).
About this color
#4E5A55 is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.050 away. White text reads best on it, at 7.19:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #4E5A55 |
| RGB | rgb(78, 90, 85) |
| HSL | hsl(155, 7%, 33%) |
| OKLCH | oklch(45.6% 0.017 168.6) |
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 #4E5A55 | 7.19:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #4E5A55 | 2.91:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #4E5A55 text on white | 7.19:1 | AAA | Lc 85.0 | Fine for body text |
| #4E5A55 text on black | 2.91:1 | Fails | Lc -17.0 | 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
#F5F6F5
oklch(97.2% 0.002 145.6)
-
Step 100
100
#E8EAE9
oklch(93.5% 0.003 165.1)
-
Step 200
200
#D6DAD8
oklch(88.5% 0.005 165)
-
Step 300
300
#BBC3BF
oklch(81% 0.01 164.8)
-
Step 400
400
#98A49F
oklch(70.8% 0.015 169)
-
Step 500
500
#7E8E87
oklch(63.2% 0.021 167.5)
-
Step 600
600
#677871
oklch(55.7% 0.023 168.7)
-
Step 700
700
#56655F
oklch(49.2% 0.021 169.4)
-
Step 800
800 (this color)
#4E5A55
oklch(45.6% 0.017 168.6)
-
Step 900
900
#3B4440
oklch(37.7% 0.014 167.1)
-
Step 950
950
#232826
oklch(27.1% 0.008 169.8)
#4E5A55 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) | #595855 | 0.017 |
| Deuteranopia (no green cones) | #575755 | 0.016 |
| Tritanopia (no blue cones) | #4C5A58 | 0.005 |
| Achromatopsia (no color) | #575757 | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E5A55
#4E5A55
oklch(45.6% 0.017 168.6)
- #5F5358
#5F5358
oklch(45.6% 0.018 350.7)
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 #4E5A55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.050
- Dark Green Blue #1F6357 ΔE 0.054
- YInMn Blue #415A77 ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.058
- Dusty Grape #545775 ΔE 0.058
- Petrol #005F6A ΔE 0.065
- Dark Aqua #05696B ΔE 0.067
- Dim Gray #696969 ΔE 0.067
Use #4E5A55 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.