#A4DDEA
Closest named color: Light Blue (#ADD8E6). oklch(86.3% 0.061 213.3), rgb(164, 221, 234).
Aa
Black text reads best on this color (14.10:1).
About this color
#A4DDEA is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.061 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.015 away. Black text reads best on it, at 14.10:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.10:1 |
| White text | 1.48:1 |
Values
| HEX | #A4DDEA |
| RGB | rgb(164, 221, 234) |
| HSL | hsl(191, 62%, 78%) |
| OKLCH | oklch(86.3% 0.061 213.3) |
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 #A4DDEA | 1.48:1 | Fails | Lc -26.0 | Dividers and decoration only |
| Black text on #A4DDEA | 14.10:1 | AAA | Lc 80.8 | Fine for body text |
| #A4DDEA text on white | 1.48:1 | Fails | Lc 22.9 | Dividers and decoration only |
| #A4DDEA text on black | 14.10:1 | AAA | Lc -80.3 | 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
#EEF7FA
oklch(97% 0.01 219.6)
-
Step 100
100
#DAEEF3
oklch(93.6% 0.022 214.4)
-
Step 200
200 (this color)
#A4DDEA
oklch(86.3% 0.061 213.3)
-
Step 300
300
#83CEDF
oklch(80.8% 0.078 213.7)
-
Step 400
400
#00B4CF
oklch(70.8% 0.124 213.4)
-
Step 500
500
#009AB1
oklch(63% 0.11 213.1)
-
Step 600
600
#008295
oklch(55.7% 0.097 212.5)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#A4DDEA 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) | #D3D9EB | 0.057 |
| Deuteranopia (no green cones) | #C7D0EA | 0.051 |
| Tritanopia (no blue cones) | #8CE3E1 | 0.034 |
| Achromatopsia (no color) | #D4D4D4 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4DDEA
#A4DDEA
oklch(86.3% 0.061 213.3)
- #F7C4B8
#F7C4B8
oklch(86.2% 0.061 33.5)
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 #A4DDEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.015
- Powder Blue #B0E0E6 ΔE 0.018
- Celeste #A8DADC ΔE 0.019
- Robin's Egg Blue #98EFF9 ΔE 0.046
- Pale Turquoise #AFEEEE ΔE 0.048
- Cadet Gray #CED4DA ΔE 0.053
- Light Blue Grey #B7C9E2 ΔE 0.053
- Robin Egg Blue #8AF1FE ΔE 0.053
Use #A4DDEA 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.