#ACE3FB
Closest named color: Powder Blue (#B0E0E6). oklch(88.6% 0.065 226.6), rgb(172, 227, 251).
Aa
Black text reads best on this color (15.13:1).
About this color
#ACE3FB is a light, muted teal or cyan. In OKLCH its lightness is 89%, its chroma 0.065 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.028 away. Black text reads best on it, at 15.13:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.13:1 |
| White text | 1.38:1 |
Values
| HEX | #ACE3FB |
| RGB | rgb(172, 227, 251) |
| HSL | hsl(198, 91%, 83%) |
| OKLCH | oklch(88.6% 0.065 226.6) |
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 #ACE3FB | 1.38:1 | Fails | Lc -21.5 | Dividers and decoration only |
| Black text on #ACE3FB | 15.13:1 | AAA | Lc 84.9 | Fine for body text |
| #ACE3FB text on white | 1.38:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #ACE3FB text on black | 15.13:1 | AAA | Lc -84.7 | 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
#DAEEF7
oklch(93.7% 0.024 226.5)
-
Step 200
200 (this color)
#ACE3FB
oklch(88.6% 0.065 226.6)
-
Step 300
300
#84CCEB
oklch(80.9% 0.084 227.1)
-
Step 400
400
#0EB0E0
oklch(70.6% 0.134 226.5)
-
Step 500
500
#0097C2
oklch(63.1% 0.122 226.9)
-
Step 600
600
#007FA3
oklch(55.6% 0.107 226.4)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005771
oklch(42.6% 0.082 226.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#ACE3FB 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) | #D6E0FC | 0.050 |
| Deuteranopia (no green cones) | #CAD7FB | 0.045 |
| Tritanopia (no blue cones) | #92EAEA | 0.044 |
| Achromatopsia (no color) | #DBDBDB | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACE3FB
#ACE3FB
oklch(88.6% 0.065 226.6)
- #FFCDB5
#FFCDB5
oklch(88.6% 0.066 47)
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 #ACE3FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.028
- Light Blue #ADD8E6 ΔE 0.035
- Robin's Egg Blue #98EFF9 ΔE 0.037
- Pale Turquoise #AFEEEE ΔE 0.040
- Diamond #B9F2FF ΔE 0.043
- Celeste #A8DADC ΔE 0.044
- Robin Egg Blue #8AF1FE ΔE 0.045
- Pale Sky Blue #BDF6FE ΔE 0.056
Use #ACE3FB 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.