#ACEFF5
Closest named color: Pale Turquoise (#AFEEEE). oklch(91% 0.067 203), rgb(172, 239, 245).
Aa
Black text reads best on this color (16.41:1).
About this color
#ACEFF5 is a very light, muted teal or cyan. In OKLCH its lightness is 91%, its chroma 0.067 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.009 away. Black text reads best on it, at 16.41:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 16.41:1 |
| White text | 1.27:1 |
Values
| HEX | #ACEFF5 |
| RGB | rgb(172, 239, 245) |
| HSL | hsl(185, 78%, 82%) |
| OKLCH | oklch(91% 0.067 203) |
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 #ACEFF5 | 1.27:1 | Fails | Lc -15.9 | Dividers and decoration only |
| Black text on #ACEFF5 | 16.41:1 | AAA | Lc 89.8 | Fine for body text |
| #ACEFF5 text on white | 1.27:1 | Fails | Lc 13.8 | Not readable |
| #ACEFF5 text on black | 16.41:1 | AAA | Lc -90.1 | 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 200.
-
Step 50
50
#EDF8F9
oklch(97.1% 0.012 203.5)
-
Step 100
100
#D8EFF1
oklch(93.6% 0.024 203.1)
-
Step 200
200 (this color)
#ACEFF5
oklch(91% 0.067 203)
-
Step 300
300
#78D1D9
oklch(80.8% 0.086 203.1)
-
Step 400
400
#00B6C2
oklch(70.7% 0.12 203.2)
-
Step 500
500
#009CA6
oklch(63.1% 0.107 202.8)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#ACEFF5 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) | #E5E9F6 | 0.068 |
| Deuteranopia (no green cones) | #D8DFF5 | 0.063 |
| Tritanopia (no blue cones) | #92F4F1 | 0.029 |
| Achromatopsia (no color) | #E3E3E3 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACEFF5
#ACEFF5
oklch(91% 0.067 203)
- #FFD6D3
#FFD6D3
oklch(91% 0.046 23)
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 #ACEFF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.009
- Robin's Egg Blue #98EFF9 ΔE 0.020
- Diamond #B9F2FF ΔE 0.022
- Pale Sky Blue #BDF6FE ΔE 0.029
- Robin Egg Blue #8AF1FE ΔE 0.032
- Powder Blue #B0E0E6 ΔE 0.039
- Duck Egg Blue #C3FBF4 ΔE 0.043
- Pale Cyan #B7FFFA ΔE 0.045
Use #ACEFF5 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.