#ACE5EA
Closest named color: Powder Blue (#B0E0E6). oklch(88.5% 0.058 202.9), rgb(172, 229, 234).
Aa
Black text reads best on this color (15.14:1).
About this color
#ACE5EA is a light, muted teal or cyan. In OKLCH its lightness is 88%, its chroma 0.058 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.013 away. Black text reads best on it, at 15.14:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.14:1 |
| White text | 1.38:1 |
Values
| HEX | #ACE5EA |
| RGB | rgb(172, 229, 234) |
| HSL | hsl(185, 60%, 80%) |
| OKLCH | oklch(88.5% 0.058 202.9) |
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 #ACE5EA | 1.38:1 | Fails | Lc -21.4 | Dividers and decoration only |
| Black text on #ACE5EA | 15.14:1 | AAA | Lc 84.9 | Fine for body text |
| #ACE5EA text on white | 1.38:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #ACE5EA text on black | 15.14:1 | AAA | Lc -84.8 | 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
#EEF8F8
oklch(97.2% 0.011 197)
-
Step 100
100
#DAEEF0
oklch(93.5% 0.021 204)
-
Step 200
200 (this color)
#ACE5EA
oklch(88.5% 0.058 202.9)
-
Step 300
300
#84CFD6
oklch(80.8% 0.075 203.3)
-
Step 400
400
#04B6C1
oklch(70.7% 0.12 202.5)
-
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)
#ACE5EA 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) | #DCE0EA | 0.058 |
| Deuteranopia (no green cones) | #D1D7EA | 0.055 |
| Tritanopia (no blue cones) | #97E9E6 | 0.025 |
| Achromatopsia (no color) | #DBDBDB | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACE5EA
#ACE5EA
oklch(88.5% 0.058 202.9)
- #FECBC7
#FECBC7
oklch(88.6% 0.058 23.5)
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 #ACE5EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.013
- Pale Turquoise #AFEEEE ΔE 0.024
- Robin's Egg Blue #98EFF9 ΔE 0.031
- Celeste #A8DADC ΔE 0.031
- Light Blue #ADD8E6 ΔE 0.034
- Robin Egg Blue #8AF1FE ΔE 0.043
- Diamond #B9F2FF ΔE 0.043
- Pale Sky Blue #BDF6FE ΔE 0.052
Use #ACE5EA 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.