#ACDDD9
Closest named color: Celeste (#A8DADC). oklch(86.2% 0.051 190.1), rgb(172, 221, 217).
Aa
Black text reads best on this color (14.09:1).
About this color
#ACDDD9 is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.051 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.012 away. Black text reads best on it, at 14.09:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 14.09:1 |
| White text | 1.48:1 |
Values
| HEX | #ACDDD9 |
| RGB | rgb(172, 221, 217) |
| HSL | hsl(175, 42%, 77%) |
| OKLCH | oklch(86.2% 0.051 190.1) |
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 #ACDDD9 | 1.48:1 | Fails | Lc -26.1 | Dividers and decoration only |
| Black text on #ACDDD9 | 14.09:1 | AAA | Lc 80.7 | Fine for body text |
| #ACDDD9 text on white | 1.48:1 | Fails | Lc 23.0 | Dividers and decoration only |
| #ACDDD9 text on black | 14.09:1 | AAA | Lc -80.2 | 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
#EFF7F7
oklch(97% 0.008 197)
-
Step 100
100
#DCEEED
oklch(93.6% 0.019 192.8)
-
Step 200
200 (this color)
#ACDDD9
oklch(86.2% 0.051 190.1)
-
Step 300
300
#8FCFCA
oklch(81% 0.065 189.8)
-
Step 400
400
#3DB5AF
oklch(70.6% 0.105 190.3)
-
Step 500
500
#009E98
oklch(63.1% 0.109 190)
-
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
#002E2B
oklch(27.1% 0.047 188)
#ACDDD9 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) | #D7D8D9 | 0.054 |
| Deuteranopia (no green cones) | #CED1DA | 0.051 |
| Tritanopia (no blue cones) | #9DE0DC | 0.017 |
| Achromatopsia (no color) | #D4D4D4 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACDDD9
#ACDDD9
oklch(86.2% 0.051 190.1)
- #F1C5CA
#F1C5CA
oklch(86.3% 0.05 10.5)
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 #ACDDD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.012
- Powder Blue #B0E0E6 ΔE 0.019
- Light Blue #ADD8E6 ΔE 0.026
- Cadet Gray #CED4DA ΔE 0.046
- Pale Turquoise #AFEEEE ΔE 0.047
- Light Gray #D3D3D3 ΔE 0.051
- Tiffany Blue #94D2BD ΔE 0.054
- Robin's Egg Blue #98EFF9 ΔE 0.054
Use #ACDDD9 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.