#AACEDF
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.1% 0.045 228.2), rgb(170, 206, 223).
Aa
Black text reads best on this color (12.60:1).
About this color
#AACEDF is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.045 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.021 away. Black text reads best on it, at 12.60:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.60:1 |
| White text | 1.66:1 |
Values
| HEX | #AACEDF |
| RGB | rgb(170, 206, 223) |
| HSL | hsl(199, 45%, 77%) |
| OKLCH | oklch(83.1% 0.045 228.2) |
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 #AACEDF | 1.66:1 | Fails | Lc -33.0 | Non-text elements, placeholder text |
| Black text on #AACEDF | 12.60:1 | AAA | Lc 74.5 | Content text, not long reading |
| #AACEDF text on white | 1.66:1 | Fails | Lc 29.3 | Dividers and decoration only |
| #AACEDF text on black | 12.60:1 | AAA | Lc -73.6 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300 (this color)
#AACEDF
oklch(83.1% 0.045 228.2)
-
Step 400
400
#6FAAC4
oklch(70.7% 0.072 227.6)
-
Step 500
500
#4494B5
oklch(63% 0.092 228)
-
Step 600
600
#1D7EA1
oklch(55.6% 0.1 228)
-
Step 700
700
#0A6A8A
oklch(49% 0.093 228.3)
-
Step 800
800
#105770
oklch(42.8% 0.077 227.6)
-
Step 900
900
#18485B
oklch(37.8% 0.06 227.9)
-
Step 950
950
#102A35
oklch(27% 0.038 228.2)
#AACEDF 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) | #C5CCE0 | 0.034 |
| Deuteranopia (no green cones) | #BDC6DF | 0.030 |
| Tritanopia (no blue cones) | #9AD3D3 | 0.031 |
| Achromatopsia (no color) | #C8C8C8 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACEDF
#AACEDF
oklch(83.1% 0.045 228.2)
- #E1C0AF
#E1C0AF
oklch(83.2% 0.045 48.9)
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 #AACEDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.021
- Light Blue #ADD8E6 ΔE 0.027
- Light Steel Blue #B0C4DE ΔE 0.027
- Cloudy Blue #ACC2D9 ΔE 0.031
- Celeste #A8DADC ΔE 0.034
- Sky Blue #87CEEB ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.043
- Baby Blue #A2CFFE ΔE 0.044
Use #AACEDF 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.