#AACEDB
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.9% 0.042 221.8), rgb(170, 206, 219).
Aa
Black text reads best on this color (12.56:1).
About this color
#AACEDB is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.042 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.025 away. Black text reads best on it, at 12.56:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.56:1 |
| White text | 1.67:1 |
Values
| HEX | #AACEDB |
| RGB | rgb(170, 206, 219) |
| HSL | hsl(196, 40%, 76%) |
| OKLCH | oklch(82.9% 0.042 221.8) |
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 #AACEDB | 1.67:1 | Fails | Lc -33.2 | Non-text elements, placeholder text |
| Black text on #AACEDB | 12.56:1 | AAA | Lc 74.4 | Content text, not long reading |
| #AACEDB text on white | 1.67:1 | Fails | Lc 29.5 | Dividers and decoration only |
| #AACEDB text on black | 12.56:1 | AAA | Lc -73.4 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300 (this color)
#AACEDB
oklch(82.9% 0.042 221.8)
-
Step 400
400
#70ABBF
oklch(70.8% 0.068 221.4)
-
Step 500
500
#4595AF
oklch(63% 0.087 222.2)
-
Step 600
600
#1E7F9A
oklch(55.5% 0.094 221.6)
-
Step 700
700
#0C6B84
oklch(49% 0.088 222.1)
-
Step 800
800
#11586B
oklch(42.8% 0.072 220.8)
-
Step 900
900
#184857
oklch(37.6% 0.057 222.2)
-
Step 950
950
#102A33
oklch(26.9% 0.036 223.3)
#AACEDB 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) | #C6CCDC | 0.036 |
| Deuteranopia (no green cones) | #BEC5DB | 0.033 |
| Tritanopia (no blue cones) | #9CD2D2 | 0.026 |
| Achromatopsia (no color) | #C8C8C8 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACEDB
#AACEDB
oklch(82.9% 0.042 221.8)
- #E0BFB2
#E0BFB2
oklch(83% 0.042 42.7)
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 #AACEDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.025
- Light Blue #ADD8E6 ΔE 0.028
- Light Steel Blue #B0C4DE ΔE 0.029
- Cloudy Blue #ACC2D9 ΔE 0.032
- Celeste #A8DADC ΔE 0.032
- Sky Blue #87CEEB ΔE 0.042
- Light Cornflower Blue #98C1D9 ΔE 0.043
- Silver #C0C0C0 ΔE 0.048
Use #AACEDB 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.