#A4CFD3
Closest named color: Celeste (#A8DADC). oklch(82.5% 0.045 203.3), rgb(164, 207, 211).
Aa
Black text reads best on this color (12.44:1).
About this color
#A4CFD3 is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.045 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.030 away. Black text reads best on it, at 12.44:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.44:1 |
| White text | 1.68:1 |
Values
| HEX | #A4CFD3 |
| RGB | rgb(164, 207, 211) |
| HSL | hsl(185, 35%, 74%) |
| OKLCH | oklch(82.5% 0.045 203.3) |
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 #A4CFD3 | 1.68:1 | Fails | Lc -33.7 | Non-text elements, placeholder text |
| Black text on #A4CFD3 | 12.44:1 | AAA | Lc 73.9 | Content text, not long reading |
| #A4CFD3 text on white | 1.68:1 | Fails | Lc 30.0 | Dividers and decoration only |
| #A4CFD3 text on black | 12.44:1 | AAA | Lc -72.8 | 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
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C7DEE1
oklch(88.4% 0.025 206.2)
-
Step 300
300 (this color)
#A4CFD3
oklch(82.5% 0.045 203.3)
-
Step 400
400
#66AEB5
oklch(70.6% 0.073 203.7)
-
Step 500
500
#329AA3
oklch(63.2% 0.093 203.4)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#094B50
oklch(37.8% 0.061 203)
-
Step 950
950
#0A2C2F
oklch(27% 0.039 203.4)
#A4CFD3 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) | #C8CBD3 | 0.045 |
| Deuteranopia (no green cones) | #C0C4D3 | 0.044 |
| Tritanopia (no blue cones) | #95D2D0 | 0.019 |
| Achromatopsia (no color) | #C7C7C7 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4CFD3
#A4CFD3
oklch(82.5% 0.045 203.3)
- #E2BBB8
#E2BBB8
oklch(82.5% 0.045 23.3)
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 #A4CFD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.030
- Light Blue #ADD8E6 ΔE 0.034
- Light Blue Grey #B7C9E2 ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.040
- Light Steel Blue #B0C4DE ΔE 0.040
- Tiffany Blue #94D2BD ΔE 0.041
- Sky Blue #87CEEB ΔE 0.045
- Light Cornflower Blue #98C1D9 ΔE 0.046
Use #A4CFD3 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.