#AAD4DA
Closest named color: Celeste (#A8DADC). oklch(84.2% 0.045 207), rgb(170, 212, 218).
Aa
Black text reads best on this color (13.13:1).
About this color
#AAD4DA is a light, muted teal or cyan. In OKLCH its lightness is 84%, 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 0.016 away. Black text reads best on it, at 13.13:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.13:1 |
| White text | 1.59:1 |
Values
| HEX | #AAD4DA |
| RGB | rgb(170, 212, 218) |
| HSL | hsl(187, 39%, 76%) |
| OKLCH | oklch(84.2% 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 #AAD4DA | 1.59:1 | Fails | Lc -30.5 | Non-text elements, placeholder text |
| Black text on #AAD4DA | 13.13:1 | AAA | Lc 76.8 | Fine for body text |
| #AAD4DA text on white | 1.59:1 | Fails | Lc 27.0 | Dividers and decoration only |
| #AAD4DA text on black | 13.13:1 | AAA | Lc -76.0 | Fine for body text |
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
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C7DEE1
oklch(88.4% 0.025 206.2)
-
Step 300
300 (this color)
#AAD4DA
oklch(84.2% 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)
#AAD4DA 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) | #CDD0DA | 0.044 |
| Deuteranopia (no green cones) | #C4CADA | 0.040 |
| Tritanopia (no blue cones) | #9BD8D6 | 0.021 |
| Achromatopsia (no color) | #CCCCCC | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAD4DA
#AAD4DA
oklch(84.2% 0.045 207)
- #E7C1BC
#E7C1BC
oklch(84.2% 0.044 26.8)
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 #AAD4DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.016
- Light Blue #ADD8E6 ΔE 0.018
- Powder Blue #B0E0E6 ΔE 0.034
- Light Blue Grey #B7C9E2 ΔE 0.038
- Cadet Gray #CED4DA ΔE 0.045
- Light Steel Blue #B0C4DE ΔE 0.046
- Cloudy Blue #ACC2D9 ΔE 0.048
- Sky Blue #87CEEB ΔE 0.050
Use #AAD4DA 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.