#ACE3EE
Closest named color: Powder Blue (#B0E0E6). oklch(88.2% 0.058 211.3), rgb(172, 227, 238).
Aa
Black text reads best on this color (14.97:1).
About this color
#ACE3EE is a light, muted teal or cyan. In OKLCH its lightness is 88%, its chroma 0.058 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.011 away. Black text reads best on it, at 14.97:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.97:1 |
| White text | 1.40:1 |
Values
| HEX | #ACE3EE |
| RGB | rgb(172, 227, 238) |
| HSL | hsl(190, 66%, 80%) |
| OKLCH | oklch(88.2% 0.058 211.3) |
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 #ACE3EE | 1.40:1 | Fails | Lc -22.2 | Dividers and decoration only |
| Black text on #ACE3EE | 14.97:1 | AAA | Lc 84.3 | Fine for body text |
| #ACE3EE text on white | 1.40:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #ACE3EE text on black | 14.97:1 | AAA | Lc -84.0 | 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
#DAEEF2
oklch(93.6% 0.022 211)
-
Step 200
200 (this color)
#ACE3EE
oklch(88.2% 0.058 211.3)
-
Step 300
300
#86CEDC
oklch(80.9% 0.074 211.2)
-
Step 400
400
#18B4CB
oklch(70.8% 0.119 211.2)
-
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)
#ACE3EE 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) | #D9DFEF | 0.055 |
| Deuteranopia (no green cones) | #CED6EE | 0.051 |
| Tritanopia (no blue cones) | #96E8E6 | 0.030 |
| Achromatopsia (no color) | #DADADA | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACE3EE
#ACE3EE
oklch(88.2% 0.058 211.3)
- #FCCBC1
#FCCBC1
oklch(88.2% 0.058 31.6)
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 #ACE3EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.011
- Light Blue #ADD8E6 ΔE 0.028
- Pale Turquoise #AFEEEE ΔE 0.030
- Celeste #A8DADC ΔE 0.030
- Robin's Egg Blue #98EFF9 ΔE 0.034
- Robin Egg Blue #8AF1FE ΔE 0.044
- Diamond #B9F2FF ΔE 0.045
- Cadet Gray #CED4DA ΔE 0.052
Use #ACE3EE 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.