#A4D4CF
Closest named color: Celeste (#A8DADC). oklch(83.5% 0.05 188.3), rgb(164, 212, 207).
Aa
Black text reads best on this color (12.89:1).
About this color
#A4D4CF is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.050 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.022 away. Black text reads best on it, at 12.89:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.89:1 |
| White text | 1.62:1 |
Values
| HEX | #A4D4CF |
| RGB | rgb(164, 212, 207) |
| HSL | hsl(174, 36%, 74%) |
| OKLCH | oklch(83.5% 0.05 188.3) |
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 #A4D4CF | 1.62:1 | Fails | Lc -31.6 | Non-text elements, placeholder text |
| Black text on #A4D4CF | 12.89:1 | AAA | Lc 75.8 | Fine for body text |
| #A4D4CF text on white | 1.62:1 | Fails | Lc 28.0 | Dividers and decoration only |
| #A4D4CF text on black | 12.89:1 | AAA | Lc -74.9 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E0EDEC
oklch(93.6% 0.014 191.4)
-
Step 200
200
#C5DFDC
oklch(88.4% 0.028 188.2)
-
Step 300
300 (this color)
#A4D4CF
oklch(83.5% 0.05 188.3)
-
Step 400
400
#60B1AA
oklch(70.7% 0.08 188.2)
-
Step 500
500
#1F9D95
oklch(63% 0.103 188.2)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C48
oklch(37.6% 0.065 188.7)
-
Step 950
950
#062D2A
oklch(27% 0.042 187.4)
#A4D4CF 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) | #CFCFCF | 0.054 |
| Deuteranopia (no green cones) | #C5C8D0 | 0.050 |
| Tritanopia (no blue cones) | #96D6D2 | 0.015 |
| Achromatopsia (no color) | #CBCBCB | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4D4CF
#A4D4CF
oklch(83.5% 0.05 188.3)
- #E7BCC2
#E7BCC2
oklch(83.5% 0.05 8.8)
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 #A4D4CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.022
- Tiffany Blue #94D2BD ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.034
- Powder Blue #B0E0E6 ΔE 0.043
- Light Blue Grey #B7C9E2 ΔE 0.052
- Ash Gray #BFC8AD ΔE 0.052
- Sky Blue #87CEEB ΔE 0.056
- Cloudy Blue #ACC2D9 ΔE 0.056
Use #A4D4CF 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.