#ACE5EF
Closest named color: Powder Blue (#B0E0E6). oklch(88.6% 0.059 209.5), rgb(172, 229, 239).
Aa
Black text reads best on this color (15.20:1).
About this color
#ACE5EF is a light, muted teal or cyan. In OKLCH its lightness is 89%, its chroma 0.059 and its hue 209°. 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 15.20:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.20:1 |
| White text | 1.38:1 |
Values
| HEX | #ACE5EF |
| RGB | rgb(172, 229, 239) |
| HSL | hsl(189, 68%, 81%) |
| OKLCH | oklch(88.6% 0.059 209.5) |
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 #ACE5EF | 1.38:1 | Fails | Lc -21.1 | Dividers and decoration only |
| Black text on #ACE5EF | 15.20:1 | AAA | Lc 85.2 | Fine for body text |
| #ACE5EF text on white | 1.38:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #ACE5EF text on black | 15.20:1 | AAA | Lc -85.0 | 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
#EEF7F9
oklch(97% 0.01 212.5)
-
Step 100
100
#DAEEF2
oklch(93.6% 0.022 211)
-
Step 200
200 (this color)
#ACE5EF
oklch(88.6% 0.059 209.5)
-
Step 300
300
#84CFDC
oklch(81% 0.077 209.6)
-
Step 400
400
#00B5CA
oklch(70.8% 0.122 209.4)
-
Step 500
500
#009BAD
oklch(63.1% 0.109 209.2)
-
Step 600
600
#008292
oklch(55.6% 0.096 209.8)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#ACE5EF 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) | #DBE0F0 | 0.057 |
| Deuteranopia (no green cones) | #D0D8EF | 0.052 |
| Tritanopia (no blue cones) | #96EAE8 | 0.029 |
| Achromatopsia (no color) | #DBDBDB | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACE5EF
#ACE5EF
oklch(88.6% 0.059 209.5)
- #FFCCC3
#FFCCC3
oklch(88.7% 0.06 29.9)
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 #ACE5EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.015
- Pale Turquoise #AFEEEE ΔE 0.025
- Robin's Egg Blue #98EFF9 ΔE 0.030
- Light Blue #ADD8E6 ΔE 0.033
- Celeste #A8DADC ΔE 0.034
- Diamond #B9F2FF ΔE 0.040
- Robin Egg Blue #8AF1FE ΔE 0.041
- Pale Sky Blue #BDF6FE ΔE 0.051
Use #ACE5EF 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.