#AACECA
Closest named color: Celeste (#A8DADC). oklch(82.4% 0.039 188.2), rgb(170, 206, 202).
Aa
Black text reads best on this color (12.39:1).
About this color
#AACECA is a light, muted teal or cyan. In OKLCH its lightness is 82%, its chroma 0.039 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.034 away. Black text reads best on it, at 12.39:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.39:1 |
| White text | 1.69:1 |
Values
| HEX | #AACECA |
| RGB | rgb(170, 206, 202) |
| HSL | hsl(173, 27%, 74%) |
| OKLCH | oklch(82.4% 0.039 188.2) |
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 #AACECA | 1.69:1 | Fails | Lc -34.0 | Non-text elements, placeholder text |
| Black text on #AACECA | 12.39:1 | AAA | Lc 73.6 | Content text, not long reading |
| #AACECA text on white | 1.69:1 | Fails | Lc 30.2 | Non-text elements, placeholder text |
| #AACECA text on black | 12.39:1 | AAA | Lc -72.6 | Content text, not long reading |
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 300.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CADEDC
oklch(88.5% 0.022 189.5)
-
Step 300
300 (this color)
#AACECA
oklch(82.4% 0.039 188.2)
-
Step 400
400
#73ADA8
oklch(70.6% 0.061 189)
-
Step 500
500
#499992
oklch(63.1% 0.079 187.8)
-
Step 600
600
#25837D
oklch(55.5% 0.085 188.8)
-
Step 700
700
#146F69
oklch(49.1% 0.08 188)
-
Step 800
800
#165A56
oklch(42.6% 0.066 189.2)
-
Step 900
900
#1B4A47
oklch(37.6% 0.051 189.5)
-
Step 950
950
#112C29
oklch(27.1% 0.034 185.9)
#AACECA 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) | #CACACA | 0.041 |
| Deuteranopia (no green cones) | #C3C5CB | 0.039 |
| Tritanopia (no blue cones) | #A0D0CD | 0.012 |
| Achromatopsia (no color) | #C7C7C7 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACECA
#AACECA
oklch(82.4% 0.039 188.2)
- #DDBCC0
#DDBCC0
oklch(82.5% 0.038 9.7)
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 #AACECA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.034
- Tiffany Blue #94D2BD ΔE 0.036
- Light Blue #ADD8E6 ΔE 0.041
- Silver #C0C0C0 ΔE 0.042
- Ash Gray #BFC8AD ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.045
- Light Blue Grey #B7C9E2 ΔE 0.045
- Light Steel Blue #B0C4DE ΔE 0.046
Use #AACECA 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.