#ACAEBF
Closest named color: French Gray (#ADB5BD). oklch(75.5% 0.024 280.5), rgb(172, 174, 191).
Aa
Black text reads best on this color (9.56:1).
About this color
#ACAEBF is a medium-light close to neutral grey. In OKLCH its lightness is 75%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is French Gray (#ADB5BD), ΔE 0.021 away. Black text reads best on it, at 9.56:1.
| Hue family | Neutrals |
| Lightness | medium-light (75%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.56:1 |
| White text | 2.19:1 |
Values
| HEX | #ACAEBF |
| RGB | rgb(172, 174, 191) |
| HSL | hsl(234, 13%, 71%) |
| OKLCH | oklch(75.5% 0.024 280.5) |
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 #ACAEBF | 2.19:1 | Fails | Lc -48.0 | Large or bold text, headings |
| Black text on #ACAEBF | 9.56:1 | AAA | Lc 60.7 | Content text, not long reading |
| #ACAEBF text on white | 2.19:1 | Fails | Lc 43.2 | Non-text elements, placeholder text |
| #ACAEBF text on black | 9.56:1 | AAA | Lc -58.9 | Large or bold text, headings |
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 400.
-
Step 50
50
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9ED
oklch(93.5% 0.005 286.3)
-
Step 200
200
#D8D9DF
oklch(88.6% 0.008 278.6)
-
Step 300
300
#BEC0CB
oklch(81% 0.016 277.8)
-
Step 400
400 (this color)
#ACAEBF
oklch(75.5% 0.024 280.5)
-
Step 500
500
#85889C
oklch(63.1% 0.03 278.7)
-
Step 600
600
#6F7187
oklch(55.5% 0.034 281.1)
-
Step 700
700
#5D5F73
oklch(49.1% 0.032 280.7)
-
Step 800
800
#4C4E5D
oklch(42.8% 0.025 279.3)
-
Step 900
900
#3F414C
oklch(37.8% 0.019 277.3)
-
Step 950
950
#25262D
oklch(27.1% 0.013 279.1)
#ACAEBF 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) | #AAB0C0 | 0.006 |
| Deuteranopia (no green cones) | #A9AEBF | 0.004 |
| Tritanopia (no blue cones) | #A8B1B3 | 0.023 |
| Achromatopsia (no color) | #AFAFAF | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACAEBF
#ACAEBF
oklch(75.5% 0.024 280.5)
- #B2B09F
#B2B09F
oklch(75.4% 0.024 101.5)
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 #ACAEBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.021
- Dark Gray #A9A9A9 ΔE 0.031
- Cool Steel #97A7B3 ΔE 0.039
- Light Grey Blue #9DBCD4 ΔE 0.042
- Pinkish Grey #C8ACA9 ΔE 0.048
- Cool Grey #95A3A6 ΔE 0.055
- Pewter #96A8A1 ΔE 0.055
- Light Cornflower Blue #98C1D9 ΔE 0.055
Use #ACAEBF 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.