#ACBBB9
Closest named color: French Gray (#ADB5BD). oklch(78% 0.017 187.2), rgb(172, 187, 185).
Aa
Black text reads best on this color (10.56:1).
About this color
#ACBBB9 is a medium-light close to neutral grey. In OKLCH its lightness is 78%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is French Gray (#ADB5BD), ΔE 0.019 away. Black text reads best on it, at 10.56:1.
| Hue family | Neutrals |
| Lightness | medium-light (78%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.56:1 |
| White text | 1.98:1 |
Values
| HEX | #ACBBB9 |
| RGB | rgb(172, 187, 185) |
| HSL | hsl(172, 10%, 70%) |
| OKLCH | oklch(78% 0.017 187.2) |
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 #ACBBB9 | 1.98:1 | Fails | Lc -42.9 | Non-text elements, placeholder text |
| Black text on #ACBBB9 | 10.56:1 | AAA | Lc 65.5 | Content text, not long reading |
| #ACBBB9 text on white | 1.98:1 | Fails | Lc 38.5 | Non-text elements, placeholder text |
| #ACBBB9 text on black | 10.56:1 | AAA | Lc -63.9 | Content text, not long reading |
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 300.
-
Step 50
50
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D3DBDA
oklch(88.5% 0.009 188.1)
-
Step 300
300 (this color)
#ACBBB9
oklch(78% 0.017 187.2)
-
Step 400
400
#8FA6A3
oklch(70.7% 0.026 187)
-
Step 500
500
#72918D
oklch(63.2% 0.035 186.6)
-
Step 600
600
#5A7B77
oklch(55.6% 0.038 186.9)
-
Step 700
700
#4A6764
oklch(49% 0.034 188.1)
-
Step 800
800
#3D5452
oklch(42.6% 0.028 189.5)
-
Step 900
900
#344644
oklch(37.8% 0.023 187.8)
-
Step 950
950
#1F2928
oklch(27.1% 0.014 188.9)
#ACBBB9 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) | #B9B9B9 | 0.018 |
| Deuteranopia (no green cones) | #B6B7B9 | 0.016 |
| Tritanopia (no blue cones) | #A8BCBA | 0.005 |
| Achromatopsia (no color) | #B8B8B8 | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACBBB9
#ACBBB9
oklch(78% 0.017 187.2)
- #C2B3B5
#C2B3B5
oklch(78% 0.017 8.3)
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 #ACBBB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.019
- Silver #C0C0C0 ΔE 0.033
- Light Grey Blue #9DBCD4 ΔE 0.041
- Cloudy Blue #ACC2D9 ΔE 0.044
- Light Cornflower Blue #98C1D9 ΔE 0.047
- Dark Gray #A9A9A9 ΔE 0.048
- Pinkish Grey #C8ACA9 ΔE 0.051
- Ash Gray #BFC8AD ΔE 0.052
Use #ACBBB9 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.