#ACD9EE
Closest named color: Light Blue (#ADD8E6). oklch(86% 0.055 228.1), rgb(172, 217, 238).
Aa
Black text reads best on this color (13.91:1).
About this color
#ACD9EE is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.055 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.011 away. Black text reads best on it, at 13.91:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.91:1 |
| White text | 1.50:1 |
Values
| HEX | #ACD9EE |
| RGB | rgb(172, 217, 238) |
| HSL | hsl(199, 66%, 80%) |
| OKLCH | oklch(86% 0.055 228.1) |
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 #ACD9EE | 1.50:1 | Fails | Lc -26.9 | Dividers and decoration only |
| Black text on #ACD9EE | 13.91:1 | AAA | Lc 80.0 | Fine for body text |
| #ACD9EE text on white | 1.50:1 | Fails | Lc 23.7 | Dividers and decoration only |
| #ACD9EE text on black | 13.91:1 | AAA | Lc -79.4 | 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
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DCEDF5
oklch(93.6% 0.021 227.5)
-
Step 200
200 (this color)
#ACD9EE
oklch(86% 0.055 228.1)
-
Step 300
300
#90CAE5
oklch(80.9% 0.071 228.6)
-
Step 400
400
#43AED8
oklch(70.7% 0.114 227.9)
-
Step 500
500
#0097C4
oklch(63.2% 0.123 228.1)
-
Step 600
600
#007FA5
oklch(55.7% 0.108 227.8)
-
Step 700
700
#006A8B
oklch(49% 0.096 228.3)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004960
oklch(37.8% 0.073 227.3)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#ACD9EE 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) | #CED7EF | 0.042 |
| Deuteranopia (no green cones) | #C4CFEE | 0.037 |
| Tritanopia (no blue cones) | #98DFDF | 0.038 |
| Achromatopsia (no color) | #D2D2D2 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACD9EE
#ACD9EE
oklch(86% 0.055 228.1)
- #F1C7B2
#F1C7B2
oklch(86.1% 0.056 48.1)
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 #ACD9EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.011
- Powder Blue #B0E0E6 ΔE 0.026
- Celeste #A8DADC ΔE 0.027
- Light Blue Grey #B7C9E2 ΔE 0.041
- Baby Blue #A2CFFE ΔE 0.042
- Cadet Gray #CED4DA ΔE 0.046
- Sky Blue #87CEEB ΔE 0.053
- Light Steel Blue #B0C4DE ΔE 0.053
Use #ACD9EE 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.