#ACE8FF
Closest named color: Robin's Egg Blue (#98EFF9). oklch(89.8% 0.068 223.6), rgb(172, 232, 255).
Aa
Black text reads best on this color (15.74:1).
About this color
#ACE8FF is a light, muted teal or cyan. In OKLCH its lightness is 90%, its chroma 0.068 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.030 away. Black text reads best on it, at 15.74:1.
| Hue family | Teals and cyans |
| Lightness | light (90%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 15.74:1 |
| White text | 1.33:1 |
Values
| HEX | #ACE8FF |
| RGB | rgb(172, 232, 255) |
| HSL | hsl(197, 100%, 84%) |
| OKLCH | oklch(89.8% 0.068 223.6) |
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 #ACE8FF | 1.33:1 | Fails | Lc -18.8 | Dividers and decoration only |
| Black text on #ACE8FF | 15.74:1 | AAA | Lc 87.2 | Fine for body text |
| #ACE8FF text on white | 1.33:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #ACE8FF text on black | 15.74:1 | AAA | Lc -87.3 | 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
#EEF7FB
oklch(97.1% 0.011 226)
-
Step 100
100
#D9EEF7
oklch(93.6% 0.025 225.3)
-
Step 200
200 (this color)
#ACE8FF
oklch(89.8% 0.068 223.6)
-
Step 300
300
#7ECDEA
oklch(80.8% 0.088 223.5)
-
Step 400
400
#00B1DD
oklch(70.6% 0.133 223.9)
-
Step 500
500
#0098BE
oklch(63.1% 0.118 223.7)
-
Step 600
600
#0080A0
oklch(55.7% 0.104 223.4)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#00495D
oklch(37.7% 0.071 223.8)
-
Step 950
950
#002B38
oklch(26.8% 0.05 223.6)
#ACE8FF 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) | #DBE5FF | 0.055 |
| Deuteranopia (no green cones) | #CEDBFF | 0.050 |
| Tritanopia (no blue cones) | #90EFEF | 0.044 |
| Achromatopsia (no color) | #DFDFDF | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACE8FF
#ACE8FF
oklch(89.8% 0.068 223.6)
- #FFD2C0
#FFD2C0
oklch(89.8% 0.057 42.9)
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 #ACE8FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.030
- Diamond #B9F2FF ΔE 0.032
- Pale Turquoise #AFEEEE ΔE 0.033
- Powder Blue #B0E0E6 ΔE 0.034
- Robin Egg Blue #8AF1FE ΔE 0.039
- Pale Sky Blue #BDF6FE ΔE 0.044
- Light Blue #ADD8E6 ΔE 0.046
- Celeste #A8DADC ΔE 0.053
Use #ACE8FF 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.