#ADD1C8
Closest named color: Celeste (#A8DADC). oklch(83.2% 0.04 178.4), rgb(173, 209, 200).
Aa
Black text reads best on this color (12.73:1).
About this color
#ADD1C8 is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.040 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.030 away. Black text reads best on it, at 12.73:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.73:1 |
| White text | 1.64:1 |
Values
| HEX | #ADD1C8 |
| RGB | rgb(173, 209, 200) |
| HSL | hsl(165, 28%, 75%) |
| OKLCH | oklch(83.2% 0.04 178.4) |
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 #ADD1C8 | 1.64:1 | Fails | Lc -32.4 | Non-text elements, placeholder text |
| Black text on #ADD1C8 | 12.73:1 | AAA | Lc 75.1 | Fine for body text |
| #ADD1C8 text on white | 1.64:1 | Fails | Lc 28.7 | Dividers and decoration only |
| #ADD1C8 text on black | 12.73:1 | AAA | Lc -74.1 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CADED9
oklch(88.4% 0.022 179.1)
-
Step 300
300 (this color)
#ADD1C8
oklch(83.2% 0.04 178.4)
-
Step 400
400
#74AEA1
oklch(70.7% 0.064 178.7)
-
Step 500
500
#4B9A8A
oklch(63.1% 0.082 178.5)
-
Step 600
600
#278474
oklch(55.5% 0.089 178.9)
-
Step 700
700
#177061
oklch(49.1% 0.083 178.3)
-
Step 800
800
#185B4F
oklch(42.7% 0.069 178.3)
-
Step 900
900
#1C4B42
oklch(37.7% 0.054 178.7)
-
Step 950
950
#122C26
oklch(27% 0.034 176.7)
#ADD1C8 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) | #CECCC8 | 0.043 |
| Deuteranopia (no green cones) | #C7C7C9 | 0.041 |
| Tritanopia (no blue cones) | #A4D2CE | 0.012 |
| Achromatopsia (no color) | #C9C9C9 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD1C8
#ADD1C8
oklch(83.2% 0.04 178.4)
- #DFBEC7
#DFBEC7
oklch(83.2% 0.039 359.7)
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 #ADD1C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.030
- Tiffany Blue #94D2BD ΔE 0.035
- Ash Gray #BFC8AD ΔE 0.039
- Light Blue #ADD8E6 ΔE 0.041
- Silver #C0C0C0 ΔE 0.047
- Powder Blue #B0E0E6 ΔE 0.049
- Light Blue Grey #B7C9E2 ΔE 0.051
- Cadet Gray #CED4DA ΔE 0.052
Use #ADD1C8 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.