#ACE7FB
Closest named color: Robin's Egg Blue (#98EFF9). oklch(89.4% 0.066 220.8), rgb(172, 231, 251).
Aa
Black text reads best on this color (15.57:1).
About this color
#ACE7FB is a light, muted teal or cyan. In OKLCH its lightness is 89%, its chroma 0.066 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.029 away. Black text reads best on it, at 15.57:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 15.57:1 |
| White text | 1.34:1 |
Values
| HEX | #ACE7FB |
| RGB | rgb(172, 231, 251) |
| HSL | hsl(195, 91%, 83%) |
| OKLCH | oklch(89.4% 0.066 220.8) |
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 #ACE7FB | 1.34:1 | Fails | Lc -19.5 | Dividers and decoration only |
| Black text on #ACE7FB | 15.57:1 | AAA | Lc 86.6 | Fine for body text |
| #ACE7FB text on white | 1.34:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #ACE7FB text on black | 15.57:1 | AAA | Lc -86.6 | 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
#D9EEF5
oklch(93.6% 0.024 219.7)
-
Step 200
200 (this color)
#ACE7FB
oklch(89.4% 0.066 220.8)
-
Step 300
300
#80CEE7
oklch(81% 0.084 220.4)
-
Step 400
400
#00B2D9
oklch(70.7% 0.13 221)
-
Step 500
500
#0099BA
oklch(63.2% 0.115 220.3)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#00495B
oklch(37.6% 0.069 221.4)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#ACE7FB 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) | #DBE3FC | 0.056 |
| Deuteranopia (no green cones) | #CEDAFB | 0.050 |
| Tritanopia (no blue cones) | #91EEED | 0.042 |
| Achromatopsia (no color) | #DEDEDE | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACE7FB
#ACE7FB
oklch(89.4% 0.066 220.8)
- #FFD0BF
#FFD0BF
oklch(89.4% 0.058 40.8)
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 #ACE7FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.029
- Powder Blue #B0E0E6 ΔE 0.029
- Pale Turquoise #AFEEEE ΔE 0.030
- Diamond #B9F2FF ΔE 0.034
- Robin Egg Blue #8AF1FE ΔE 0.038
- Light Blue #ADD8E6 ΔE 0.042
- Pale Sky Blue #BDF6FE ΔE 0.046
- Celeste #A8DADC ΔE 0.048
Use #ACE7FB 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.