#ADD3DC
Closest named color: Light Blue (#ADD8E6). oklch(84.2% 0.042 213.7), rgb(173, 211, 220).
Aa
Black text reads best on this color (13.12:1).
About this color
#ADD3DC is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.042 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.016 away. Black text reads best on it, at 13.12:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.12:1 |
| White text | 1.59:1 |
Values
| HEX | #ADD3DC |
| RGB | rgb(173, 211, 220) |
| HSL | hsl(191, 40%, 77%) |
| OKLCH | oklch(84.2% 0.042 213.7) |
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 #ADD3DC | 1.59:1 | Fails | Lc -30.5 | Non-text elements, placeholder text |
| Black text on #ADD3DC | 13.12:1 | AAA | Lc 76.7 | Fine for body text |
| #ADD3DC text on white | 1.59:1 | Fails | Lc 27.0 | Dividers and decoration only |
| #ADD3DC text on black | 13.12:1 | AAA | Lc -75.9 | 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 300.
-
Step 50
50
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DDE2
oklch(88.4% 0.022 214.4)
-
Step 300
300 (this color)
#ADD3DC
oklch(84.2% 0.042 213.7)
-
Step 400
400
#6EACBA
oklch(70.7% 0.067 213.6)
-
Step 500
500
#4197A9
oklch(63.1% 0.086 213.6)
-
Step 600
600
#148194
oklch(55.6% 0.093 213.4)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#0A5967
oklch(42.8% 0.072 213.8)
-
Step 900
900
#154954
oklch(37.7% 0.056 214.6)
-
Step 950
950
#0F2B31
oklch(27% 0.035 213.8)
#ADD3DC 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) | #CCD0DD | 0.039 |
| Deuteranopia (no green cones) | #C4CADC | 0.036 |
| Tritanopia (no blue cones) | #9FD7D6 | 0.022 |
| Achromatopsia (no color) | #CCCCCC | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD3DC
#ADD3DC
oklch(84.2% 0.042 213.7)
- #E5C2BA
#E5C2BA
oklch(84.2% 0.042 33)
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 #ADD3DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.016
- Celeste #A8DADC ΔE 0.019
- Light Blue Grey #B7C9E2 ΔE 0.032
- Powder Blue #B0E0E6 ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.042
- Cadet Gray #CED4DA ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.045
- Light Gray #D3D3D3 ΔE 0.049
Use #ADD3DC 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.