#4D6161
Closest named color: Slate (#516572). oklch(47.6% 0.024 196.4), rgb(77, 97, 97).
Aa
White text reads best on this color (6.56:1).
About this color
#4D6161 is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.028 away. White text reads best on it, at 6.56:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.19:1 |
| White text | 6.56:1 |
Values
| HEX | #4D6161 |
| RGB | rgb(77, 97, 97) |
| HSL | hsl(180, 11%, 34%) |
| OKLCH | oklch(47.6% 0.024 196.4) |
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 #4D6161 | 6.56:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #4D6161 | 3.19:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #4D6161 text on white | 6.56:1 | AA | Lc 82.5 | Fine for body text |
| #4D6161 text on black | 3.19:1 | AA large text | Lc -19.4 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEA
oklch(93.5% 0.003 197.1)
-
Step 200
200
#D4DADA
oklch(88.4% 0.007 197)
-
Step 300
300
#B8C3C3
oklch(80.9% 0.012 196.9)
-
Step 400
400
#94A4A4
oklch(70.6% 0.018 196.8)
-
Step 500
500
#798E8E
oklch(63% 0.024 196.6)
-
Step 600
600
#627878
oklch(55.5% 0.026 196.4)
-
Step 700
700 (this color)
#4D6161
oklch(47.6% 0.024 196.4)
-
Step 800
800
#435353
oklch(42.9% 0.02 196.4)
-
Step 900
900
#384444
oklch(37.6% 0.016 196.5)
-
Step 950
950
#212828
oklch(27% 0.01 196.6)
#4D6161 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) | #5E5F61 | 0.025 |
| Deuteranopia (no green cones) | #5A5C61 | 0.023 |
| Tritanopia (no blue cones) | #476261 | 0.008 |
| Achromatopsia (no color) | #5D5D5D | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D6161
#4D6161
oklch(47.6% 0.024 196.4)
- #6A5758
#6A5758
oklch(47.6% 0.025 14.5)
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 #4D6161, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.028
- YInMn Blue #415A77 ΔE 0.050
- Dim Gray #696969 ΔE 0.051
- Dark Green Blue #1F6357 ΔE 0.053
- Dusty Grape #545775 ΔE 0.053
- Dark Aqua #05696B ΔE 0.055
- Petrol #005F6A ΔE 0.062
- Dark Aquamarine #017371 ΔE 0.067
Use #4D6161 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.