#ACE1DD
Closest named color: Powder Blue (#B0E0E6). oklch(87.2% 0.055 190.4), rgb(172, 225, 221).
Aa
Black text reads best on this color (14.56:1).
About this color
#ACE1DD is a light, muted teal or cyan. In OKLCH its lightness is 87%, its chroma 0.055 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.015 away. Black text reads best on it, at 14.56:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.56:1 |
| White text | 1.44:1 |
Values
| HEX | #ACE1DD |
| RGB | rgb(172, 225, 221) |
| HSL | hsl(175, 47%, 78%) |
| OKLCH | oklch(87.2% 0.055 190.4) |
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 #ACE1DD | 1.44:1 | Fails | Lc -24.0 | Dividers and decoration only |
| Black text on #ACE1DD | 14.56:1 | AAA | Lc 82.6 | Fine for body text |
| #ACE1DD text on white | 1.44:1 | Fails | Lc 21.1 | Dividers and decoration only |
| #ACE1DD text on black | 14.56:1 | AAA | Lc -82.3 | 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
#EFF8F7
oklch(97.2% 0.01 189.1)
-
Step 100
100
#DBEEED
oklch(93.5% 0.02 193)
-
Step 200
200 (this color)
#ACE1DD
oklch(87.2% 0.055 190.4)
-
Step 300
300
#8AD0CB
oklch(81% 0.071 190.2)
-
Step 400
400
#2DB7B1
oklch(70.8% 0.113 190.5)
-
Step 500
500
#009E98
oklch(63.1% 0.109 190)
-
Step 600
600
#008580
oklch(55.7% 0.096 190.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
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
#002D2C
oklch(26.9% 0.046 192.5)
#ACE1DD 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) | #DBDBDD | 0.058 |
| Deuteranopia (no green cones) | #D1D4DE | 0.055 |
| Tritanopia (no blue cones) | #9CE4E0 | 0.017 |
| Achromatopsia (no color) | #D7D7D7 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACE1DD
#ACE1DD
oklch(87.2% 0.055 190.4)
- #F6C7CC
#F6C7CC
oklch(87.2% 0.054 11.1)
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 #ACE1DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.015
- Celeste #A8DADC ΔE 0.020
- Light Blue #ADD8E6 ΔE 0.031
- Pale Turquoise #AFEEEE ΔE 0.036
- Robin's Egg Blue #98EFF9 ΔE 0.045
- Cadet Gray #CED4DA ΔE 0.050
- Pale Silver #D8E2DC ΔE 0.054
- Light Teal #90E4C1 ΔE 0.054
Use #ACE1DD 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.