#ADD4CE
Closest named color: Celeste (#A8DADC). oklch(84% 0.042 185), rgb(173, 212, 206).
Aa
Black text reads best on this color (13.08:1).
About this color
#ADD4CE is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.042 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.021 away. Black text reads best on it, at 13.08:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.08:1 |
| White text | 1.60:1 |
Values
| HEX | #ADD4CE |
| RGB | rgb(173, 212, 206) |
| HSL | hsl(171, 31%, 75%) |
| OKLCH | oklch(84% 0.042 185) |
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 #ADD4CE | 1.60:1 | Fails | Lc -30.7 | Non-text elements, placeholder text |
| Black text on #ADD4CE | 13.08:1 | AAA | Lc 76.6 | Fine for body text |
| #ADD4CE text on white | 1.60:1 | Fails | Lc 27.2 | Dividers and decoration only |
| #ADD4CE text on black | 13.08:1 | AAA | Lc -75.7 | 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 300.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E1EDEB
oklch(93.7% 0.013 185.1)
-
Step 200
200
#C9DEDB
oklch(88.4% 0.023 186.4)
-
Step 300
300 (this color)
#ADD4CE
oklch(84% 0.042 185)
-
Step 400
400
#6FAFA6
oklch(70.8% 0.067 184.6)
-
Step 500
500
#429A90
oklch(63% 0.086 185.2)
-
Step 600
600
#16857A
oklch(55.7% 0.094 184.4)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#0B5B54
oklch(42.6% 0.071 185.5)
-
Step 900
900
#164B45
oklch(37.6% 0.056 184.6)
-
Step 950
950
#0F2C29
oklch(27% 0.035 186.3)
#ADD4CE 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) | #D0CFCE | 0.045 |
| Deuteranopia (no green cones) | #C8CACF | 0.042 |
| Tritanopia (no blue cones) | #A3D6D2 | 0.012 |
| Achromatopsia (no color) | #CCCCCC | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD4CE
#ADD4CE
oklch(84% 0.042 185)
- #E4C0C7
#E4C0C7
oklch(84.1% 0.042 4.9)
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 #ADD4CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.021
- Light Blue #ADD8E6 ΔE 0.032
- Tiffany Blue #94D2BD ΔE 0.039
- Powder Blue #B0E0E6 ΔE 0.039
- Cadet Gray #CED4DA ΔE 0.047
- Ash Gray #BFC8AD ΔE 0.047
- Light Blue Grey #B7C9E2 ΔE 0.049
- Light Gray #D3D3D3 ΔE 0.050
Use #ADD4CE 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.