#ADD0CC
Closest named color: Celeste (#A8DADC). oklch(83.1% 0.038 188), rgb(173, 208, 204).
Aa
Black text reads best on this color (12.67:1).
About this color
#ADD0CC is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.038 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.029 away. Black text reads best on it, at 12.67:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.67:1 |
| White text | 1.65:1 |
Values
| HEX | #ADD0CC |
| RGB | rgb(173, 208, 204) |
| HSL | hsl(173, 27%, 75%) |
| OKLCH | oklch(83.1% 0.038 188) |
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 #ADD0CC | 1.65:1 | Fails | Lc -32.7 | Non-text elements, placeholder text |
| Black text on #ADD0CC | 12.67:1 | AAA | Lc 74.8 | Content text, not long reading |
| #ADD0CC text on white | 1.65:1 | Fails | Lc 29.0 | Dividers and decoration only |
| #ADD0CC text on black | 12.67:1 | AAA | Lc -73.9 | Content text, not long reading |
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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300 (this color)
#ADD0CC
oklch(83.1% 0.038 188)
-
Step 400
400
#74ADA7
oklch(70.7% 0.06 187.6)
-
Step 500
500
#4C9992
oklch(63.2% 0.077 187.6)
-
Step 600
600
#29837C
oklch(55.6% 0.084 187.6)
-
Step 700
700
#1A6F69
oklch(49.2% 0.078 187.9)
-
Step 800
800
#195A55
oklch(42.6% 0.064 187.7)
-
Step 900
900
#1D4A46
oklch(37.6% 0.05 187.4)
-
Step 950
950
#122B29
oklch(26.8% 0.031 188.7)
#ADD0CC 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) | #CCCCCC | 0.040 |
| Deuteranopia (no green cones) | #C5C7CD | 0.038 |
| Tritanopia (no blue cones) | #A3D2CF | 0.012 |
| Achromatopsia (no color) | #C9C9C9 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD0CC
#ADD0CC
oklch(83.1% 0.038 188)
- #DFBEC3
#DFBEC3
oklch(83.1% 0.038 7.6)
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 #ADD0CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.029
- Light Blue #ADD8E6 ΔE 0.036
- Tiffany Blue #94D2BD ΔE 0.039
- Ash Gray #BFC8AD ΔE 0.043
- Light Blue Grey #B7C9E2 ΔE 0.044
- Silver #C0C0C0 ΔE 0.044
- Powder Blue #B0E0E6 ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.048
Use #ADD0CC 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.