#A4DBE2
Closest named color: Celeste (#A8DADC). oklch(85.6% 0.057 205.9), rgb(164, 219, 226).
Aa
Black text reads best on this color (13.80:1).
About this color
#A4DBE2 is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.057 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.008 away. Black text reads best on it, at 13.80:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.80:1 |
| White text | 1.52:1 |
Values
| HEX | #A4DBE2 |
| RGB | rgb(164, 219, 226) |
| HSL | hsl(187, 52%, 76%) |
| OKLCH | oklch(85.6% 0.057 205.9) |
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 #A4DBE2 | 1.52:1 | Fails | Lc -27.4 | Dividers and decoration only |
| Black text on #A4DBE2 | 13.80:1 | AAA | Lc 79.6 | Fine for body text |
| #A4DBE2 text on white | 1.52:1 | Fails | Lc 24.2 | Dividers and decoration only |
| #A4DBE2 text on black | 13.80:1 | AAA | Lc -79.0 | 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
#EEF7F9
oklch(97% 0.01 212.5)
-
Step 100
100
#DAEEF1
oklch(93.5% 0.022 207.6)
-
Step 200
200 (this color)
#A4DBE2
oklch(85.6% 0.057 205.9)
-
Step 300
300
#86CFD8
oklch(81% 0.074 205.7)
-
Step 400
400
#18B5C4
oklch(70.7% 0.118 205.6)
-
Step 500
500
#009BA9
oklch(63% 0.108 206.1)
-
Step 600
600
#00838E
oklch(55.7% 0.095 205.2)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#004B52
oklch(37.7% 0.064 205.5)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#A4DBE2 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) | #D2D6E3 | 0.057 |
| Deuteranopia (no green cones) | #C7CEE2 | 0.052 |
| Tritanopia (no blue cones) | #8FE0DD | 0.027 |
| Achromatopsia (no color) | #D1D1D1 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4DBE2
#A4DBE2
oklch(85.6% 0.057 205.9)
- #F3C2BC
#F3C2BC
oklch(85.6% 0.057 26.4)
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 #A4DBE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.008
- Light Blue #ADD8E6 ΔE 0.015
- Powder Blue #B0E0E6 ΔE 0.020
- Cadet Gray #CED4DA ΔE 0.051
- Light Blue Grey #B7C9E2 ΔE 0.051
- Pale Turquoise #AFEEEE ΔE 0.052
- Robin's Egg Blue #98EFF9 ΔE 0.053
- Sky Blue #87CEEB ΔE 0.053
Use #A4DBE2 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.