#ACE4FF
Closest named color: Powder Blue (#B0E0E6). oklch(88.9% 0.068 229.2), rgb(172, 228, 255).
Aa
Black text reads best on this color (15.29:1).
About this color
#ACE4FF is a light, muted teal or cyan. In OKLCH its lightness is 89%, its chroma 0.068 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.033 away. Black text reads best on it, at 15.29:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.29:1 |
| White text | 1.37:1 |
Values
| HEX | #ACE4FF |
| RGB | rgb(172, 228, 255) |
| HSL | hsl(200, 100%, 84%) |
| OKLCH | oklch(88.9% 0.068 229.2) |
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 #ACE4FF | 1.37:1 | Fails | Lc -20.8 | Dividers and decoration only |
| Black text on #ACE4FF | 15.29:1 | AAA | Lc 85.5 | Fine for body text |
| #ACE4FF text on white | 1.37:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #ACE4FF text on black | 15.29:1 | AAA | Lc -85.4 | 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
#EEF7FC
oklch(97.1% 0.012 231.7)
-
Step 100
100
#D9EEF8
oklch(93.7% 0.026 227.9)
-
Step 200
200 (this color)
#ACE4FF
oklch(88.9% 0.068 229.2)
-
Step 300
300
#82CCEE
oklch(80.9% 0.088 228.9)
-
Step 400
400
#00B0E5
oklch(70.8% 0.139 228.7)
-
Step 500
500
#0096C5
oklch(63% 0.125 229.4)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#ACE4FF 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) | #D6E1FF | 0.050 |
| Deuteranopia (no green cones) | #CAD8FF | 0.045 |
| Tritanopia (no blue cones) | #90ECEC | 0.049 |
| Achromatopsia (no color) | #DCDCDC | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACE4FF
#ACE4FF
oklch(88.9% 0.068 229.2)
- #FFCFB6
#FFCFB6
oklch(89% 0.064 49)
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 #ACE4FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.033
- Robin's Egg Blue #98EFF9 ΔE 0.038
- Light Blue #ADD8E6 ΔE 0.040
- Pale Turquoise #AFEEEE ΔE 0.042
- Diamond #B9F2FF ΔE 0.042
- Robin Egg Blue #8AF1FE ΔE 0.045
- Celeste #A8DADC ΔE 0.050
- Pale Sky Blue #BDF6FE ΔE 0.054
Use #ACE4FF 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.