#A4CFCF
Closest named color: Celeste (#A8DADC). oklch(82.4% 0.045 196.3), rgb(164, 207, 207).
Aa
Black text reads best on this color (12.40:1).
About this color
#A4CFCF is a light, muted teal or cyan. In OKLCH its lightness is 82%, its chroma 0.045 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.031 away. Black text reads best on it, at 12.40:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.40:1 |
| White text | 1.69:1 |
Values
| HEX | #A4CFCF |
| RGB | rgb(164, 207, 207) |
| HSL | hsl(180, 31%, 73%) |
| OKLCH | oklch(82.4% 0.045 196.3) |
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 #A4CFCF | 1.69:1 | Fails | Lc -33.9 | Non-text elements, placeholder text |
| Black text on #A4CFCF | 12.40:1 | AAA | Lc 73.7 | Content text, not long reading |
| #A4CFCF text on white | 1.69:1 | Fails | Lc 30.1 | Non-text elements, placeholder text |
| #A4CFCF text on black | 12.40:1 | AAA | Lc -72.7 | 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
#C7DFDE
oklch(88.6% 0.026 193.6)
-
Step 300
300 (this color)
#A4CFCF
oklch(82.4% 0.045 196.3)
-
Step 400
400
#67AFAF
oklch(70.7% 0.072 195.6)
-
Step 500
500
#339B9C
oklch(63.2% 0.093 196)
-
Step 600
600
#008486
oklch(55.6% 0.095 196.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#0A4B4C
oklch(37.6% 0.06 196.5)
-
Step 950
950
#0A2C2D
oklch(27% 0.038 197.9)
#A4CFCF 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) | #C9CBCF | 0.047 |
| Deuteranopia (no green cones) | #C1C4CF | 0.045 |
| Tritanopia (no blue cones) | #96D2CF | 0.017 |
| Achromatopsia (no color) | #C7C7C7 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4CFCF
#A4CFCF
oklch(82.4% 0.045 196.3)
- #E1BABB
#E1BABB
oklch(82.3% 0.045 16.4)
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 #A4CFCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.031
- Tiffany Blue #94D2BD ΔE 0.036
- Light Blue #ADD8E6 ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.043
- Light Blue Grey #B7C9E2 ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.044
- Silver #C0C0C0 ΔE 0.048
- Light Cornflower Blue #98C1D9 ΔE 0.048
Use #A4CFCF 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.