#A1BBB5
Closest named color: French Gray (#ADB5BD). oklch(77.1% 0.03 180), rgb(161, 187, 181).
Aa
Black text reads best on this color (10.29:1).
About this color
#A1BBB5 is a medium-light close to neutral grey. In OKLCH its lightness is 77%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is French Gray (#ADB5BD), ΔE 0.028 away. Black text reads best on it, at 10.29:1.
| Hue family | Neutrals |
| Lightness | medium-light (77%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.29:1 |
| White text | 2.04:1 |
Values
| HEX | #A1BBB5 |
| RGB | rgb(161, 187, 181) |
| HSL | hsl(166, 16%, 68%) |
| OKLCH | oklch(77.1% 0.03 180) |
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 #A1BBB5 | 2.04:1 | Fails | Lc -44.2 | Non-text elements, placeholder text |
| Black text on #A1BBB5 | 10.29:1 | AAA | Lc 64.2 | Content text, not long reading |
| #A1BBB5 text on white | 2.04:1 | Fails | Lc 39.7 | Non-text elements, placeholder text |
| #A1BBB5 text on black | 10.29:1 | AAA | Lc -62.6 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CEDDD9
oklch(88.5% 0.017 178.2)
-
Step 300
300 (this color)
#A1BBB5
oklch(77.1% 0.03 180)
-
Step 400
400
#81ABA2
oklch(70.8% 0.047 180.2)
-
Step 500
500
#5F968B
oklch(63.1% 0.061 180.2)
-
Step 600
600
#448075
oklch(55.6% 0.065 180.5)
-
Step 700
700
#356C62
oklch(49.1% 0.061 180.3)
-
Step 800
800
#2D5850
oklch(42.7% 0.05 180.3)
-
Step 900
900
#294942
oklch(37.8% 0.04 178.5)
-
Step 950
950
#182B27
oklch(27.1% 0.026 179.4)
#A1BBB5 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) | #B9B8B5 | 0.032 |
| Deuteranopia (no green cones) | #B3B4B5 | 0.029 |
| Tritanopia (no blue cones) | #9BBCB9 | 0.008 |
| Achromatopsia (no color) | #B5B5B5 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1BBB5
#A1BBB5
oklch(77.1% 0.03 180)
- #C6ADB3
#C6ADB3
oklch(77.1% 0.03 1.6)
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 #A1BBB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.028
- Light Grey Blue #9DBCD4 ΔE 0.044
- Dark Gray #A9A9A9 ΔE 0.047
- Silver #C0C0C0 ΔE 0.047
- Light Cornflower Blue #98C1D9 ΔE 0.049
- Muted Teal #90B494 ΔE 0.053
- Cloudy Blue #ACC2D9 ΔE 0.053
- Pale Teal #82CBB2 ΔE 0.055
Use #A1BBB5 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.