#ACEFFC
Closest named color: Diamond (#B9F2FF). oklch(91.2% 0.069 210.9), rgb(172, 239, 252).
Aa
Black text reads best on this color (16.50:1).
About this color
#ACEFFC is a very light, muted teal or cyan. In OKLCH its lightness is 91%, its chroma 0.069 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.017 away. Black text reads best on it, at 16.50:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.50:1 |
| White text | 1.27:1 |
Values
| HEX | #ACEFFC |
| RGB | rgb(172, 239, 252) |
| HSL | hsl(190, 93%, 83%) |
| OKLCH | oklch(91.2% 0.069 210.9) |
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 #ACEFFC | 1.27:1 | Fails | Lc -15.5 | Dividers and decoration only |
| Black text on #ACEFFC | 16.50:1 | AAA | Lc 90.2 | Preferred for body text |
| #ACEFFC text on white | 1.27:1 | Fails | Lc 13.4 | Not readable |
| #ACEFFC text on black | 16.50:1 | AAA | Lc -90.4 | Preferred 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 100.
-
Step 50
50
#EDF8FA
oklch(97.1% 0.012 209.8)
-
Step 100
100 (this color)
#ACEFFC
oklch(91.2% 0.069 210.9)
-
Step 200
200
#B4E3EC
oklch(88.6% 0.05 210.6)
-
Step 300
300
#77D0E1
oklch(80.8% 0.089 211.3)
-
Step 400
400
#00B4CC
oklch(70.6% 0.123 211.4)
-
Step 500
500
#009BAF
oklch(63.2% 0.11 210.8)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#ACEFFC 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) | #E3EAFD | 0.065 |
| Deuteranopia (no green cones) | #D6E0FC | 0.059 |
| Tritanopia (no blue cones) | #90F5F3 | 0.036 |
| Achromatopsia (no color) | #E4E4E4 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACEFFC
#ACEFFC
oklch(91.2% 0.069 210.9)
- #FFD7D0
#FFD7D0
oklch(91.1% 0.046 29.6)
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 #ACEFFC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.017
- Pale Turquoise #AFEEEE ΔE 0.019
- Robin's Egg Blue #98EFF9 ΔE 0.021
- Pale Sky Blue #BDF6FE ΔE 0.028
- Robin Egg Blue #8AF1FE ΔE 0.032
- Powder Blue #B0E0E6 ΔE 0.042
- Duck Egg Blue #C3FBF4 ΔE 0.046
- Pale Cyan #B7FFFA ΔE 0.047
Use #ACEFFC 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.