#AAD9D1
Closest named color: Celeste (#A8DADC). oklch(85% 0.05 183.6), rgb(170, 217, 209).
Aa
Black text reads best on this color (13.55:1).
About this color
#AAD9D1 is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.050 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.015 away. Black text reads best on it, at 13.55:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.55:1 |
| White text | 1.54:1 |
Values
| HEX | #AAD9D1 |
| RGB | rgb(170, 217, 209) |
| HSL | hsl(170, 38%, 76%) |
| OKLCH | oklch(85% 0.05 183.6) |
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 #AAD9D1 | 1.54:1 | Fails | Lc -28.6 | Dividers and decoration only |
| Black text on #AAD9D1 | 13.55:1 | AAA | Lc 78.5 | Fine for body text |
| #AAD9D1 text on white | 1.54:1 | Fails | Lc 25.2 | Dividers and decoration only |
| #AAD9D1 text on black | 13.55:1 | AAA | Lc -77.9 | 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 200.
-
Step 50
50
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DDEEEB
oklch(93.6% 0.018 184.3)
-
Step 200
200 (this color)
#AAD9D1
oklch(85% 0.05 183.6)
-
Step 300
300
#91CFC5
oklch(81% 0.065 183.6)
-
Step 400
400
#45B5A7
oklch(70.6% 0.103 183.7)
-
Step 500
500
#009F90
oklch(63.1% 0.112 183.2)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#AAD9D1 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) | #D4D3D1 | 0.053 |
| Deuteranopia (no green cones) | #CBCDD2 | 0.050 |
| Tritanopia (no blue cones) | #9DDBD6 | 0.015 |
| Achromatopsia (no color) | #D0D0D0 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAD9D1
#AAD9D1
oklch(85% 0.05 183.6)
- #EBC1CA
#EBC1CA
oklch(85% 0.049 3.8)
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 #AAD9D1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.015
- Light Blue #ADD8E6 ΔE 0.031
- Powder Blue #B0E0E6 ΔE 0.032
- Tiffany Blue #94D2BD ΔE 0.042
- Cadet Gray #CED4DA ΔE 0.050
- Light Teal #90E4C1 ΔE 0.051
- Light Gray #D3D3D3 ΔE 0.053
- Ash Gray #BFC8AD ΔE 0.056
Use #AAD9D1 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.