#A1CECF
Closest named color: Celeste (#A8DADC). oklch(82% 0.047 198), rgb(161, 206, 207).
Aa
Black text reads best on this color (12.24:1).
About this color
#A1CECF is a light, muted teal or cyan. In OKLCH its lightness is 82%, its chroma 0.047 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.035 away. Black text reads best on it, at 12.24:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.24:1 |
| White text | 1.71:1 |
Values
| HEX | #A1CECF |
| RGB | rgb(161, 206, 207) |
| HSL | hsl(181, 32%, 72%) |
| OKLCH | oklch(82% 0.047 198) |
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 #A1CECF | 1.71:1 | Fails | Lc -34.7 | Non-text elements, placeholder text |
| Black text on #A1CECF | 12.24:1 | AAA | Lc 73.0 | Content text, not long reading |
| #A1CECF text on white | 1.71:1 | Fails | Lc 30.8 | Non-text elements, placeholder text |
| #A1CECF text on black | 12.24:1 | AAA | Lc -71.9 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDED
oklch(93.6% 0.014 196.9)
-
Step 200
200
#C6DFDF
oklch(88.5% 0.027 196.7)
-
Step 300
300 (this color)
#A1CECF
oklch(82% 0.047 198)
-
Step 400
400
#63AFB1
oklch(70.6% 0.076 197.8)
-
Step 500
500
#2B9B9E
oklch(63.1% 0.096 197.7)
-
Step 600
600
#008487
oklch(55.6% 0.095 197.6)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#034C4E
oklch(37.9% 0.063 197.9)
-
Step 950
950
#082C2D
oklch(26.9% 0.04 197.7)
#A1CECF 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) | #C8CACF | 0.049 |
| Deuteranopia (no green cones) | #BFC3CF | 0.045 |
| Tritanopia (no blue cones) | #92D1CE | 0.018 |
| Achromatopsia (no color) | #C6C6C6 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1CECF
#A1CECF
oklch(82% 0.047 198)
- #E1B8B9
#E1B8B9
oklch(81.9% 0.047 16.5)
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 #A1CECF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.035
- Tiffany Blue #94D2BD ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.041
- Cloudy Blue #ACC2D9 ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.044
- Light Blue Grey #B7C9E2 ΔE 0.044
- Light Cornflower Blue #98C1D9 ΔE 0.045
- Sky Blue #87CEEB ΔE 0.046
Use #A1CECF 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.