#ADD4CF
Closest named color: Celeste (#A8DADC). oklch(84% 0.042 186.9), rgb(173, 212, 207).
Aa
Black text reads best on this color (13.09:1).
About this color
#ADD4CF is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.042 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.020 away. Black text reads best on it, at 13.09:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.09:1 |
| White text | 1.60:1 |
Values
| HEX | #ADD4CF |
| RGB | rgb(173, 212, 207) |
| HSL | hsl(172, 31%, 75%) |
| OKLCH | oklch(84% 0.042 186.9) |
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 #ADD4CF | 1.60:1 | Fails | Lc -30.7 | Non-text elements, placeholder text |
| Black text on #ADD4CF | 13.09:1 | AAA | Lc 76.6 | Fine for body text |
| #ADD4CF text on white | 1.60:1 | Fails | Lc 27.2 | Dividers and decoration only |
| #ADD4CF text on black | 13.09:1 | AAA | Lc -75.8 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
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)
#ADD4CF
oklch(84% 0.042 186.9)
-
Step 400
400
#6EAEA7
oklch(70.6% 0.067 187)
-
Step 500
500
#429A92
oklch(63.1% 0.085 187.1)
-
Step 600
600
#15857C
oklch(55.7% 0.093 186.3)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#0B5B55
oklch(42.6% 0.071 186.8)
-
Step 900
900
#164B46
oklch(37.7% 0.056 186.3)
-
Step 950
950
#0F2C29
oklch(27% 0.035 186.3)
#ADD4CF 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) | #D0D0CF | 0.045 |
| Deuteranopia (no green cones) | #C8CAD0 | 0.042 |
| Tritanopia (no blue cones) | #A2D6D2 | 0.013 |
| Achromatopsia (no color) | #CCCCCC | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD4CF
#ADD4CF
oklch(84% 0.042 186.9)
- #E4C0C6
#E4C0C6
oklch(84% 0.042 6.7)
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 #ADD4CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.020
- Light Blue #ADD8E6 ΔE 0.031
- Powder Blue #B0E0E6 ΔE 0.039
- Tiffany Blue #94D2BD ΔE 0.040
- Cadet Gray #CED4DA ΔE 0.046
- Light Blue Grey #B7C9E2 ΔE 0.048
- Ash Gray #BFC8AD ΔE 0.048
- Light Gray #D3D3D3 ΔE 0.049
Use #ADD4CF 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.