#ACE4E1
Closest named color: Powder Blue (#B0E0E6). oklch(88% 0.057 192), rgb(172, 228, 225).
Aa
Black text reads best on this color (14.93:1).
About this color
#ACE4E1 is a light, muted teal or cyan. In OKLCH its lightness is 88%, its chroma 0.057 and its hue 192°. 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 14.93:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.93:1 |
| White text | 1.40:1 |
Values
| HEX | #ACE4E1 |
| RGB | rgb(172, 228, 225) |
| HSL | hsl(177, 51%, 78%) |
| OKLCH | oklch(88% 0.057 192) |
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 #ACE4E1 | 1.40:1 | Fails | Lc -22.3 | Dividers and decoration only |
| Black text on #ACE4E1 | 14.93:1 | AAA | Lc 84.1 | Fine for body text |
| #ACE4E1 text on white | 1.40:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #ACE4E1 text on black | 14.93:1 | AAA | Lc -83.9 | 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
#EEF8F7
oklch(97.1% 0.011 189.8)
-
Step 100
100
#DBEFED
oklch(93.7% 0.021 189.6)
-
Step 200
200 (this color)
#ACE4E1
oklch(88% 0.057 192)
-
Step 300
300
#87D0CD
oklch(80.9% 0.073 192.5)
-
Step 400
400
#19B7B3
oklch(70.6% 0.118 192)
-
Step 500
500
#009E9A
oklch(63.2% 0.109 191.6)
-
Step 600
600
#008582
oklch(55.7% 0.096 192)
-
Step 700
700
#006F6D
oklch(49% 0.084 192.6)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#ACE4E1 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) | #DDDEE1 | 0.060 |
| Deuteranopia (no green cones) | #D2D6E2 | 0.057 |
| Tritanopia (no blue cones) | #9AE7E3 | 0.019 |
| Achromatopsia (no color) | #D9D9D9 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACE4E1
#ACE4E1
oklch(88% 0.057 192)
- #FBC9CD
#FBC9CD
oklch(88.1% 0.057 12.9)
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 #ACE4E1, 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 0.027
- Pale Turquoise #AFEEEE ΔE 0.028
- Light Blue #ADD8E6 ΔE 0.035
- Robin's Egg Blue #98EFF9 ΔE 0.038
- Robin Egg Blue #8AF1FE ΔE 0.049
- Diamond #B9F2FF ΔE 0.052
- Pale Silver #D8E2DC ΔE 0.052
Use #ACE4E1 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.