#ADD1DD
Closest named color: Light Blue (#ADD8E6). oklch(83.8% 0.042 220), rgb(173, 209, 221).
Aa
Black text reads best on this color (12.94:1).
About this color
#ADD1DD is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.042 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.019 away. Black text reads best on it, at 12.94:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 12.94:1 |
| White text | 1.62:1 |
Values
| HEX | #ADD1DD |
| RGB | rgb(173, 209, 221) |
| HSL | hsl(195, 41%, 77%) |
| OKLCH | oklch(83.8% 0.042 220) |
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 #ADD1DD | 1.62:1 | Fails | Lc -31.4 | Non-text elements, placeholder text |
| Black text on #ADD1DD | 12.94:1 | AAA | Lc 76.0 | Fine for body text |
| #ADD1DD text on white | 1.62:1 | Fails | Lc 27.8 | Dividers and decoration only |
| #ADD1DD text on black | 12.94:1 | AAA | Lc -75.1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300 (this color)
#ADD1DD
oklch(83.8% 0.042 220)
-
Step 400
400
#70ABBD
oklch(70.7% 0.067 219.1)
-
Step 500
500
#4695AD
oklch(63% 0.085 220.6)
-
Step 600
600
#1F7F99
oklch(55.5% 0.093 220.8)
-
Step 700
700
#0D6C82
oklch(49.2% 0.086 219.2)
-
Step 800
800
#12586A
oklch(42.8% 0.071 219.8)
-
Step 900
900
#194856
oklch(37.6% 0.055 220.9)
-
Step 950
950
#102A32
oklch(26.8% 0.035 220.6)
#ADD1DD 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) | #C9CFDE | 0.035 |
| Deuteranopia (no green cones) | #C2C8DD | 0.034 |
| Tritanopia (no blue cones) | #9FD5D5 | 0.024 |
| Achromatopsia (no color) | #CBCBCB | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD1DD
#ADD1DD
oklch(83.8% 0.042 220)
- #E3C2B6
#E3C2B6
oklch(83.9% 0.041 41)
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 #ADD1DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.019
- Celeste #A8DADC ΔE 0.025
- Light Blue Grey #B7C9E2 ΔE 0.027
- Light Steel Blue #B0C4DE ΔE 0.036
- Powder Blue #B0E0E6 ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.040
- Cadet Gray #CED4DA ΔE 0.043
- Sky Blue #87CEEB ΔE 0.047
Use #ADD1DD 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.