#A1C3BB
Closest named color: French Gray (#ADB5BD). oklch(79% 0.038 179.4), rgb(161, 195, 187).
Aa
Black text reads best on this color (11.03:1).
About this color
#A1C3BB is a light, muted teal or cyan. In OKLCH its lightness is 79%, its chroma 0.038 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.041 away. Black text reads best on it, at 11.03:1.
| Hue family | Teals and cyans |
| Lightness | light (79%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 11.03:1 |
| White text | 1.90:1 |
Values
| HEX | #A1C3BB |
| RGB | rgb(161, 195, 187) |
| HSL | hsl(166, 22%, 70%) |
| OKLCH | oklch(79% 0.038 179.4) |
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 #A1C3BB | 1.90:1 | Fails | Lc -40.5 | Non-text elements, placeholder text |
| Black text on #A1C3BB | 11.03:1 | AAA | Lc 67.7 | Content text, not long reading |
| #A1C3BB text on white | 1.90:1 | Fails | Lc 36.2 | Non-text elements, placeholder text |
| #A1C3BB text on black | 11.03:1 | AAA | Lc -66.3 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CBDED9
oklch(88.5% 0.021 178.3)
-
Step 300
300 (this color)
#A1C3BB
oklch(79% 0.038 179.4)
-
Step 400
400
#76AEA1
oklch(70.8% 0.062 178.3)
-
Step 500
500
#4F998B
oklch(63.1% 0.078 179.8)
-
Step 600
600
#2D8375
oklch(55.5% 0.084 180.3)
-
Step 700
700
#1E6F62
oklch(49% 0.079 179.8)
-
Step 800
800
#1C5B50
oklch(42.8% 0.066 179.2)
-
Step 900
900
#1E4A42
oklch(37.5% 0.051 179.8)
-
Step 950
950
#132C27
oklch(27.1% 0.033 179.2)
#A1C3BB 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) | #C0BFBB | 0.041 |
| Deuteranopia (no green cones) | #B9BABC | 0.038 |
| Tritanopia (no blue cones) | #99C4C0 | 0.011 |
| Achromatopsia (no color) | #BCBCBC | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1C3BB
#A1C3BB
oklch(79% 0.038 179.4)
- #D0B1BA
#D0B1BA
oklch(79% 0.038 358.6)
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 #A1C3BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.041
- Tiffany Blue #94D2BD ΔE 0.042
- Silver #C0C0C0 ΔE 0.042
- Pale Teal #82CBB2 ΔE 0.045
- Light Cornflower Blue #98C1D9 ΔE 0.046
- Light Grey Blue #9DBCD4 ΔE 0.046
- Ash Gray #BFC8AD ΔE 0.046
- Cloudy Blue #ACC2D9 ΔE 0.048
Use #A1C3BB 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.