#A4D3CF
Closest named color: Celeste (#A8DADC). oklch(83.3% 0.049 189.8), rgb(164, 211, 207).
Aa
Black text reads best on this color (12.79:1).
About this color
#A4D3CF is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.049 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.023 away. Black text reads best on it, at 12.79:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.79:1 |
| White text | 1.64:1 |
Values
| HEX | #A4D3CF |
| RGB | rgb(164, 211, 207) |
| HSL | hsl(175, 35%, 74%) |
| OKLCH | oklch(83.3% 0.049 189.8) |
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 #A4D3CF | 1.64:1 | Fails | Lc -32.1 | Non-text elements, placeholder text |
| Black text on #A4D3CF | 12.79:1 | AAA | Lc 75.4 | Fine for body text |
| #A4D3CF text on white | 1.64:1 | Fails | Lc 28.4 | Dividers and decoration only |
| #A4D3CF text on black | 12.79:1 | AAA | Lc -74.5 | 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
#C6DFDD
oklch(88.5% 0.027 190.8)
-
Step 300
300 (this color)
#A4D3CF
oklch(83.3% 0.049 189.8)
-
Step 400
400
#61B1AB
oklch(70.8% 0.079 189.2)
-
Step 500
500
#249D97
oklch(63.2% 0.101 189.8)
-
Step 600
600
#008580
oklch(55.7% 0.096 190.1)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C58
oklch(42.8% 0.074 189.6)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#072D2B
oklch(27.1% 0.041 189.9)
#A4D3CF 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) | #CECECF | 0.053 |
| Deuteranopia (no green cones) | #C4C7D0 | 0.049 |
| Tritanopia (no blue cones) | #96D6D2 | 0.016 |
| Achromatopsia (no color) | #CACACA | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4D3CF
#A4D3CF
oklch(83.3% 0.049 189.8)
- #E6BCC1
#E6BCC1
oklch(83.3% 0.049 10.1)
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 #A4D3CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.023
- Tiffany Blue #94D2BD ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.045
- Light Blue Grey #B7C9E2 ΔE 0.050
- Ash Gray #BFC8AD ΔE 0.051
- Cloudy Blue #ACC2D9 ΔE 0.053
- Light Steel Blue #B0C4DE ΔE 0.053
Use #A4D3CF 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.