#A4CED4
Closest named color: Celeste (#A8DADC). oklch(82.3% 0.045 207), rgb(164, 206, 212).
Aa
Black text reads best on this color (12.35:1).
About this color
#A4CED4 is a light, muted teal or cyan. In OKLCH its lightness is 82%, its chroma 0.045 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.032 away. Black text reads best on it, at 12.35:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.35:1 |
| White text | 1.69:1 |
Values
| HEX | #A4CED4 |
| RGB | rgb(164, 206, 212) |
| HSL | hsl(188, 36%, 74%) |
| OKLCH | oklch(82.3% 0.045 207) |
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 #A4CED4 | 1.69:1 | Fails | Lc -34.1 | Non-text elements, placeholder text |
| Black text on #A4CED4 | 12.35:1 | AAA | Lc 73.5 | Content text, not long reading |
| #A4CED4 text on white | 1.69:1 | Fails | Lc 30.3 | Non-text elements, placeholder text |
| #A4CED4 text on black | 12.35:1 | AAA | Lc -72.5 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0ECEE
oklch(93.5% 0.013 208.8)
-
Step 200
200
#C7DEE1
oklch(88.4% 0.025 206.2)
-
Step 300
300 (this color)
#A4CED4
oklch(82.3% 0.045 207)
-
Step 400
400
#68AEB7
oklch(70.8% 0.072 206.2)
-
Step 500
500
#3599A6
oklch(63.1% 0.092 207.4)
-
Step 600
600
#008390
oklch(55.7% 0.096 207)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#0C4A52
oklch(37.6% 0.06 208.2)
-
Step 950
950
#0B2C30
oklch(27.1% 0.038 206.4)
#A4CED4 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) | #C7CAD4 | 0.044 |
| Deuteranopia (no green cones) | #BEC4D4 | 0.040 |
| Tritanopia (no blue cones) | #95D2D0 | 0.021 |
| Achromatopsia (no color) | #C6C6C6 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4CED4
#A4CED4
oklch(82.3% 0.045 207)
- #E1BBB6
#E1BBB6
oklch(82.4% 0.044 26.9)
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 #A4CED4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.032
- Light Blue #ADD8E6 ΔE 0.035
- Cloudy Blue #ACC2D9 ΔE 0.036
- Light Blue Grey #B7C9E2 ΔE 0.037
- Light Steel Blue #B0C4DE ΔE 0.037
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Sky Blue #87CEEB ΔE 0.043
- Tiffany Blue #94D2BD ΔE 0.043
Use #A4CED4 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.