#817F75
Closest named color: Medium Grey (#7D7F7C). oklch(59.5% 0.015 97.6), rgb(129, 127, 117).
Aa
Black text reads best on this color (5.22:1).
About this color
#817F75 is a medium-dark close to neutral grey. In OKLCH its lightness is 60%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Medium Grey (#7D7F7C), ΔE 0.012 away. Black text reads best on it, at 5.22:1.
| Hue family | Neutrals |
| Lightness | medium-dark (60%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Medium Grey (#7D7F7C) |
| Black text | 5.22:1 |
| White text | 4.01:1 |
Values
| HEX | #817F75 |
| RGB | rgb(129, 127, 117) |
| HSL | hsl(50, 5%, 48%) |
| OKLCH | oklch(59.5% 0.015 97.6) |
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 #817F75 | 4.01:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #817F75 | 5.22:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #817F75 text on white | 4.01:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #817F75 text on black | 5.22:1 | AA | Lc -34.2 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F5F5F5
oklch(97% 0 0)
-
Step 100
100
#EAEAE8
oklch(93.6% 0.003 106.5)
-
Step 200
200
#DAD9D6
oklch(88.5% 0.004 91.5)
-
Step 300
300
#C2C1BB
oklch(81% 0.008 98.9)
-
Step 400
400
#A2A199
oklch(70.7% 0.011 100.9)
-
Step 500
500 (this color)
#817F75
oklch(59.5% 0.015 97.6)
-
Step 600
600
#767469
oklch(55.7% 0.017 98.5)
-
Step 700
700
#636157
oklch(49.1% 0.016 97.7)
-
Step 800
800
#514F47
oklch(42.7% 0.013 95.4)
-
Step 900
900
#43423C
oklch(37.8% 0.01 99.1)
-
Step 950
950
#272623
oklch(26.9% 0.006 91.6)
#817F75 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) | #817E74 | 0.003 |
| Deuteranopia (no green cones) | #827F75 | 0.002 |
| Tritanopia (no blue cones) | #837D7C | 0.014 |
| Achromatopsia (no color) | #7F7F7F | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817F75
#817F75
oklch(59.5% 0.015 97.6)
- #7C7E88
#7C7E88
oklch(59.5% 0.015 276.9)
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 #817F75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Grey #7D7F7C ΔE 0.012
- Gray #808080 ΔE 0.016
- Brown Grey #8D8468 ΔE 0.032
- Steel Grey #6F828A ΔE 0.036
- Battleship Grey #6B7C85 ΔE 0.041
- Reddish Grey #997570 ΔE 0.043
- Slate Gray #708090 ΔE 0.045
- Steel #738595 ΔE 0.047
Use #817F75 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.