#A6DDDA
Closest named color: Celeste (#A8DADC). oklch(85.9% 0.056 192), rgb(166, 221, 218).
Aa
Black text reads best on this color (13.97:1).
About this color
#A6DDDA is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.056 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.010 away. Black text reads best on it, at 13.97:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.97:1 |
| White text | 1.50:1 |
Values
| HEX | #A6DDDA |
| RGB | rgb(166, 221, 218) |
| HSL | hsl(177, 45%, 76%) |
| OKLCH | oklch(85.9% 0.056 192) |
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 #A6DDDA | 1.50:1 | Fails | Lc -26.6 | Dividers and decoration only |
| Black text on #A6DDDA | 13.97:1 | AAA | Lc 80.3 | Fine for body text |
| #A6DDDA text on white | 1.50:1 | Fails | Lc 23.5 | Dividers and decoration only |
| #A6DDDA text on black | 13.97:1 | AAA | Lc -79.7 | 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
#EFF8F7
oklch(97.2% 0.01 189.1)
-
Step 100
100
#DBEFED
oklch(93.7% 0.021 189.6)
-
Step 200
200 (this color)
#A6DDDA
oklch(85.9% 0.056 192)
-
Step 300
300
#87D0CD
oklch(80.9% 0.073 192.5)
-
Step 400
400
#20B7B3
oklch(70.7% 0.116 192)
-
Step 500
500
#009E9A
oklch(63.2% 0.109 191.6)
-
Step 600
600
#008582
oklch(55.7% 0.096 192)
-
Step 700
700
#006F6D
oklch(49% 0.084 192.6)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#A6DDDA 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) | #D6D7DA | 0.059 |
| Deuteranopia (no green cones) | #CCCFDB | 0.057 |
| Tritanopia (no blue cones) | #94E0DC | 0.019 |
| Achromatopsia (no color) | #D3D3D3 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6DDDA
#A6DDDA
oklch(85.9% 0.056 192)
- #F3C2C7
#F3C2C7
oklch(85.9% 0.056 11.4)
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 #A6DDDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.010
- Powder Blue #B0E0E6 ΔE 0.022
- Light Blue #ADD8E6 ΔE 0.026
- Pale Turquoise #AFEEEE ΔE 0.049
- Tiffany Blue #94D2BD ΔE 0.051
- Light Teal #90E4C1 ΔE 0.052
- Cadet Gray #CED4DA ΔE 0.052
- Robin's Egg Blue #98EFF9 ΔE 0.053
Use #A6DDDA 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.