#ADD8DC
Closest named color: Celeste (#A8DADC). oklch(85.3% 0.045 203.4), rgb(173, 216, 220).
Aa
Black text reads best on this color (13.63:1).
About this color
#ADD8DC is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.045 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.007 away. Black text reads best on it, at 13.63:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.63:1 |
| White text | 1.54:1 |
Values
| HEX | #ADD8DC |
| RGB | rgb(173, 216, 220) |
| HSL | hsl(185, 40%, 77%) |
| OKLCH | oklch(85.3% 0.045 203.4) |
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 #ADD8DC | 1.54:1 | Fails | Lc -28.2 | Dividers and decoration only |
| Black text on #ADD8DC | 13.63:1 | AAA | Lc 78.8 | Fine for body text |
| #ADD8DC text on white | 1.54:1 | Fails | Lc 24.9 | Dividers and decoration only |
| #ADD8DC text on black | 13.63:1 | AAA | Lc -78.2 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DEEDEF
oklch(93.6% 0.016 206.4)
-
Step 200
200 (this color)
#ADD8DC
oklch(85.3% 0.045 203.4)
-
Step 300
300
#94CCD1
oklch(80.8% 0.058 203)
-
Step 400
400
#4EB2BB
oklch(70.8% 0.093 203.4)
-
Step 500
500
#009CA7
oklch(63.1% 0.108 203.6)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#ADD8DC 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) | #D1D4DC | 0.045 |
| Deuteranopia (no green cones) | #C9CDDC | 0.043 |
| Tritanopia (no blue cones) | #9EDCD9 | 0.021 |
| Achromatopsia (no color) | #D0D0D0 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD8DC
#ADD8DC
oklch(85.3% 0.045 203.4)
- #EBC4C1
#EBC4C1
oklch(85.3% 0.045 23.2)
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 #ADD8DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.007
- Light Blue #ADD8E6 ΔE 0.014
- Powder Blue #B0E0E6 ΔE 0.023
- Cadet Gray #CED4DA ΔE 0.041
- Light Blue Grey #B7C9E2 ΔE 0.045
- Light Gray #D3D3D3 ΔE 0.047
- Tiffany Blue #94D2BD ΔE 0.055
- Light Steel Blue #B0C4DE ΔE 0.055
Use #ADD8DC 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.