#ACE3EA
Closest named color: Powder Blue (#B0E0E6). oklch(88% 0.057 205.9), rgb(172, 227, 234).
Aa
Black text reads best on this color (14.92:1).
About this color
#ACE3EA is a light, muted teal or cyan. In OKLCH its lightness is 88%, its chroma 0.057 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.009 away. Black text reads best on it, at 14.92:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.92:1 |
| White text | 1.40:1 |
Values
| HEX | #ACE3EA |
| RGB | rgb(172, 227, 234) |
| HSL | hsl(187, 60%, 80%) |
| OKLCH | oklch(88% 0.057 205.9) |
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 #ACE3EA | 1.40:1 | Fails | Lc -22.4 | Dividers and decoration only |
| Black text on #ACE3EA | 14.92:1 | AAA | Lc 84.1 | Fine for body text |
| #ACE3EA text on white | 1.40:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #ACE3EA text on black | 14.92:1 | AAA | Lc -83.8 | 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
#EEF7F9
oklch(97% 0.01 212.5)
-
Step 100
100
#DBEEF1
oklch(93.6% 0.021 208.1)
-
Step 200
200 (this color)
#ACE3EA
oklch(88% 0.057 205.9)
-
Step 300
300
#86CFD8
oklch(81% 0.074 205.7)
-
Step 400
400
#1AB5C4
oklch(70.7% 0.117 205.7)
-
Step 500
500
#009BA9
oklch(63% 0.108 206.1)
-
Step 600
600
#00838E
oklch(55.7% 0.095 205.2)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#004B52
oklch(37.7% 0.064 205.5)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#ACE3EA 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) | #DADEEB | 0.056 |
| Deuteranopia (no green cones) | #CFD6EA | 0.052 |
| Tritanopia (no blue cones) | #98E8E5 | 0.026 |
| Achromatopsia (no color) | #D9D9D9 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACE3EA
#ACE3EA
oklch(88% 0.057 205.9)
- #FBCAC4
#FBCAC4
oklch(88% 0.057 26.4)
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 #ACE3EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.009
- Celeste #A8DADC ΔE 0.027
- Light Blue #ADD8E6 ΔE 0.028
- Pale Turquoise #AFEEEE ΔE 0.029
- Robin's Egg Blue #98EFF9 ΔE 0.034
- Robin Egg Blue #8AF1FE ΔE 0.045
- Diamond #B9F2FF ΔE 0.047
- Cadet Gray #CED4DA ΔE 0.051
Use #ACE3EA 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.