#ACEFFD
Closest named color: Diamond (#B9F2FF). oklch(91.2% 0.069 212), rgb(172, 239, 253).
Aa
Black text reads best on this color (16.51:1).
About this color
#ACEFFD is a very light, muted teal or cyan. In OKLCH its lightness is 91%, its chroma 0.069 and its hue 212°. 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 16.51:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.51:1 |
| White text | 1.27:1 |
Values
| HEX | #ACEFFD |
| RGB | rgb(172, 239, 253) |
| HSL | hsl(190, 95%, 83%) |
| OKLCH | oklch(91.2% 0.069 212) |
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 #ACEFFD | 1.27:1 | Fails | Lc -15.5 | Dividers and decoration only |
| Black text on #ACEFFD | 16.51:1 | AAA | Lc 90.2 | Preferred for body text |
| #ACEFFD text on white | 1.27:1 | Fails | Lc 13.4 | Not readable |
| #ACEFFD text on black | 16.51:1 | AAA | Lc -90.5 | 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)
#ACEFFD
oklch(91.2% 0.069 212)
-
Step 200
200
#B4E2EC
oklch(88.4% 0.049 212.4)
-
Step 300
300
#77D0E2
oklch(80.8% 0.089 212.2)
-
Step 400
400
#00B4CD
oklch(70.7% 0.123 212.1)
-
Step 500
500
#009AB0
oklch(63% 0.11 212.4)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#ACEFFD 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) | #E3EAFE | 0.065 |
| Deuteranopia (no green cones) | #D6E0FD | 0.059 |
| Tritanopia (no blue cones) | #8FF5F3 | 0.037 |
| Achromatopsia (no color) | #E4E4E4 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACEFFD
#ACEFFD
oklch(91.2% 0.069 212)
- #FFD8CF
#FFD8CF
oklch(91.3% 0.046 33.1)
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 #ACEFFD, 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 0.020
- 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 0.047
- Pale Cyan #B7FFFA ΔE 0.047
Use #ACEFFD 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.