#ADD3CF
Closest named color: Celeste (#A8DADC). oklch(83.8% 0.04 188.6), rgb(173, 211, 207).
Aa
Black text reads best on this color (12.99:1).
About this color
#ADD3CF is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.040 and its hue 189°. 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 12.99:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.99:1 |
| White text | 1.61:1 |
Values
| HEX | #ADD3CF |
| RGB | rgb(173, 211, 207) |
| HSL | hsl(174, 30%, 75%) |
| OKLCH | oklch(83.8% 0.04 188.6) |
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 #ADD3CF | 1.61:1 | Fails | Lc -31.2 | Non-text elements, placeholder text |
| Black text on #ADD3CF | 12.99:1 | AAA | Lc 76.2 | Fine for body text |
| #ADD3CF text on white | 1.61:1 | Fails | Lc 27.6 | Dividers and decoration only |
| #ADD3CF text on black | 12.99:1 | AAA | Lc -75.3 | 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
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#C9DEDC
oklch(88.4% 0.023 189.8)
-
Step 300
300 (this color)
#ADD3CF
oklch(83.8% 0.04 188.6)
-
Step 400
400
#70AEA8
oklch(70.7% 0.065 188.1)
-
Step 500
500
#449A93
oklch(63.2% 0.083 188.1)
-
Step 600
600
#1B847E
oklch(55.6% 0.09 189)
-
Step 700
700
#07706A
oklch(49.2% 0.084 188.2)
-
Step 800
800
#0F5B56
oklch(42.7% 0.069 188.1)
-
Step 900
900
#184B47
oklch(37.8% 0.054 187.9)
-
Step 950
950
#102C2A
oklch(27.1% 0.034 189.1)
#ADD3CF 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) | #CFCFCF | 0.044 |
| Deuteranopia (no green cones) | #C7C9D0 | 0.041 |
| Tritanopia (no blue cones) | #A2D5D2 | 0.013 |
| Achromatopsia (no color) | #CBCBCB | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD3CF
#ADD3CF
oklch(83.8% 0.04 188.6)
- #E3C0C5
#E3C0C5
oklch(83.9% 0.04 8.3)
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 #ADD3CF, 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 0.031
- Powder Blue #B0E0E6 ΔE 0.040
- Tiffany Blue #94D2BD ΔE 0.041
- Light Blue Grey #B7C9E2 ΔE 0.046
- Cadet Gray #CED4DA ΔE 0.046
- Ash Gray #BFC8AD ΔE 0.047
- Light Gray #D3D3D3 ΔE 0.050
Use #ADD3CF 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.