#ACE4DF
Closest named color: Powder Blue (#B0E0E6). oklch(87.9% 0.058 189.3), rgb(172, 228, 223).
Aa
Black text reads best on this color (14.91:1).
About this color
#ACE4DF is a light, muted teal or cyan. In OKLCH its lightness is 88%, its chroma 0.058 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.017 away. Black text reads best on it, at 14.91:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.91:1 |
| White text | 1.40:1 |
Values
| HEX | #ACE4DF |
| RGB | rgb(172, 228, 223) |
| HSL | hsl(175, 51%, 78%) |
| OKLCH | oklch(87.9% 0.058 189.3) |
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 #ACE4DF | 1.40:1 | Fails | Lc -22.4 | Dividers and decoration only |
| Black text on #ACE4DF | 14.91:1 | AAA | Lc 84.0 | Fine for body text |
| #ACE4DF text on white | 1.40:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #ACE4DF text on black | 14.91:1 | AAA | Lc -83.8 | 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
#EEF8F7
oklch(97.1% 0.011 189.8)
-
Step 100
100
#DBEFED
oklch(93.7% 0.021 189.6)
-
Step 200
200 (this color)
#ACE4DF
oklch(87.9% 0.058 189.3)
-
Step 300
300
#87D0CA
oklch(80.8% 0.073 189.2)
-
Step 400
400
#1BB8B0
oklch(70.8% 0.119 189.2)
-
Step 500
500
#009E97
oklch(63.1% 0.109 189.2)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#ACE4DF 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) | #DEDEDF | 0.062 |
| Deuteranopia (no green cones) | #D3D6E0 | 0.058 |
| Tritanopia (no blue cones) | #9BE7E2 | 0.018 |
| Achromatopsia (no color) | #D9D9D9 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACE4DF
#ACE4DF
oklch(87.9% 0.058 189.3)
- #FAC8CF
#FAC8CF
oklch(87.8% 0.057 8.9)
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 #ACE4DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.017
- Celeste #A8DADC ΔE 0.027
- Pale Turquoise #AFEEEE ΔE 0.029
- Light Blue #ADD8E6 ΔE 0.037
- Robin's Egg Blue #98EFF9 ΔE 0.040
- Robin Egg Blue #8AF1FE ΔE 0.050
- Pale Silver #D8E2DC ΔE 0.052
- Diamond #B9F2FF ΔE 0.053
Use #ACE4DF 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.