#7A8178
Closest named color: Medium Grey (#7D7F7C). oklch(59.5% 0.016 138.7), rgb(122, 129, 120).
Aa
Black text reads best on this color (5.23:1).
About this color
#7A8178 is a medium-dark close to neutral grey. In OKLCH its lightness is 59%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Medium Grey (#7D7F7C), ΔE 0.011 away. Black text reads best on it, at 5.23:1.
| Hue family | Neutrals |
| Lightness | medium-dark (59%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Medium Grey (#7D7F7C) |
| Black text | 5.23:1 |
| White text | 4.00:1 |
Values
| HEX | #7A8178 |
| RGB | rgb(122, 129, 120) |
| HSL | hsl(107, 4%, 49%) |
| OKLCH | oklch(59.5% 0.016 138.7) |
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 #7A8178 | 4.00:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #7A8178 | 5.23:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #7A8178 text on white | 4.00:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #7A8178 text on black | 5.23:1 | AA | Lc -34.3 | 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
#E9EAE9
oklch(93.6% 0.002 145.6)
-
Step 200
200
#D8DAD7
oklch(88.6% 0.005 134.9)
-
Step 300
300
#BEC2BD
oklch(80.9% 0.008 139.4)
-
Step 400
400
#9DA29B
oklch(70.6% 0.012 136.6)
-
Step 500
500 (this color)
#7A8178
oklch(59.5% 0.016 138.7)
-
Step 600
600
#6E766C
oklch(55.6% 0.018 139.4)
-
Step 700
700
#5C635A
oklch(49.1% 0.017 138.7)
-
Step 800
800
#4B514A
oklch(42.7% 0.014 141.2)
-
Step 900
900
#3F433E
oklch(37.7% 0.01 139.4)
-
Step 950
950
#252724
oklch(27% 0.006 134.9)
#7A8178 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) | #827F78 | 0.013 |
| Deuteranopia (no green cones) | #807F78 | 0.010 |
| Tritanopia (no blue cones) | #7A807E | 0.010 |
| Achromatopsia (no color) | #7F7F7F | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7A8178
#7A8178
oklch(59.5% 0.016 138.7)
- #837C85
#837C85
oklch(59.5% 0.016 318.7)
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 #7A8178, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Grey #7D7F7C ΔE 0.011
- Gray #808080 ΔE 0.017
- Steel Grey #6F828A ΔE 0.029
- Battleship Grey #6B7C85 ΔE 0.035
- Brown Grey #8D8468 ΔE 0.038
- Slate Gray #708090 ΔE 0.039
- Steel #738595 ΔE 0.042
- Battleship Gray #6C757D ΔE 0.045
Use #7A8178 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.