#A9DDEC
Closest named color: Light Blue (#ADD8E6). oklch(86.6% 0.057 217.4), rgb(169, 221, 236).
Aa
Black text reads best on this color (14.24:1).
About this color
#A9DDEC is a light, muted teal or cyan. In OKLCH its lightness is 87%, its chroma 0.057 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.013 away. Black text reads best on it, at 14.24:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.24:1 |
| White text | 1.47:1 |
Values
| HEX | #A9DDEC |
| RGB | rgb(169, 221, 236) |
| HSL | hsl(193, 64%, 79%) |
| OKLCH | oklch(86.6% 0.057 217.4) |
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 #A9DDEC | 1.47:1 | Fails | Lc -25.4 | Dividers and decoration only |
| Black text on #A9DDEC | 14.24:1 | AAA | Lc 81.3 | Fine for body text |
| #A9DDEC text on white | 1.47:1 | Fails | Lc 22.4 | Dividers and decoration only |
| #A9DDEC text on black | 14.24:1 | AAA | Lc -80.9 | 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
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DBEEF3
oklch(93.7% 0.021 215.3)
-
Step 200
200 (this color)
#A9DDEC
oklch(86.6% 0.057 217.4)
-
Step 300
300
#89CDE0
oklch(81% 0.073 217.3)
-
Step 400
400
#29B2D1
oklch(70.7% 0.118 217.6)
-
Step 500
500
#0099B6
oklch(63% 0.113 217.6)
-
Step 600
600
#008199
oklch(55.6% 0.099 216.9)
-
Step 700
700
#006C81
oklch(49% 0.088 217.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900
#004A59
oklch(37.7% 0.067 217.2)
-
Step 950
950
#002C36
oklch(27% 0.048 217.4)
#A9DDEC 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) | #D3D9ED | 0.051 |
| Deuteranopia (no green cones) | #C8D1EC | 0.047 |
| Tritanopia (no blue cones) | #93E3E1 | 0.035 |
| Achromatopsia (no color) | #D5D5D5 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9DDEC
#A9DDEC
oklch(86.6% 0.057 217.4)
- #F6C7B9
#F6C7B9
oklch(86.7% 0.057 37.2)
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 #A9DDEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.013
- Powder Blue #B0E0E6 ΔE 0.016
- Celeste #A8DADC ΔE 0.022
- Robin's Egg Blue #98EFF9 ΔE 0.046
- Pale Turquoise #AFEEEE ΔE 0.047
- Cadet Gray #CED4DA ΔE 0.049
- Light Blue Grey #B7C9E2 ΔE 0.051
- Baby Blue #A2CFFE ΔE 0.053
Use #A9DDEC 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.