#ACE5FF
Closest named color: Powder Blue (#B0E0E6). oklch(89.2% 0.068 227.8), rgb(172, 229, 255).
Aa
Black text reads best on this color (15.40:1).
About this color
#ACE5FF is a light, muted teal or cyan. In OKLCH its lightness is 89%, its chroma 0.068 and its hue 228°. 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 15.40:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.40:1 |
| White text | 1.36:1 |
Values
| HEX | #ACE5FF |
| RGB | rgb(172, 229, 255) |
| HSL | hsl(199, 100%, 84%) |
| OKLCH | oklch(89.2% 0.068 227.8) |
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 #ACE5FF | 1.36:1 | Fails | Lc -20.3 | Dividers and decoration only |
| Black text on #ACE5FF | 15.40:1 | AAA | Lc 85.9 | Fine for body text |
| #ACE5FF text on white | 1.36:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #ACE5FF text on black | 15.40:1 | AAA | Lc -85.9 | 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
#EEF7FC
oklch(97.1% 0.012 231.7)
-
Step 100
100
#D9EEF7
oklch(93.6% 0.025 225.3)
-
Step 200
200 (this color)
#ACE5FF
oklch(89.2% 0.068 227.8)
-
Step 300
300
#81CCED
oklch(80.8% 0.088 227.8)
-
Step 400
400
#00B0E3
oklch(70.7% 0.137 227.7)
-
Step 500
500
#0097C3
oklch(63.1% 0.123 227.5)
-
Step 600
600
#007FA5
oklch(55.7% 0.108 227.8)
-
Step 700
700
#006A8B
oklch(49% 0.096 228.3)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#004960
oklch(37.8% 0.073 227.3)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#ACE5FF 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) | #D7E2FF | 0.051 |
| Deuteranopia (no green cones) | #CBD8FF | 0.047 |
| Tritanopia (no blue cones) | #90EDED | 0.048 |
| Achromatopsia (no color) | #DDDDDD | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACE5FF
#ACE5FF
oklch(89.2% 0.068 227.8)
- #FFD0B8
#FFD0B8
oklch(89.2% 0.062 48.5)
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 #ACE5FF, 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 0.035
- Pale Turquoise #AFEEEE ΔE 0.039
- Diamond #B9F2FF ΔE 0.039
- Light Blue #ADD8E6 ΔE 0.041
- Robin Egg Blue #8AF1FE ΔE 0.043
- Celeste #A8DADC ΔE 0.050
- Pale Sky Blue #BDF6FE ΔE 0.052
Use #ACE5FF 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.