#ADD5DA
Closest named color: Celeste (#A8DADC). oklch(84.6% 0.043 205.7), rgb(173, 213, 218).
Aa
Black text reads best on this color (13.30:1).
About this color
#ADD5DA is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.043 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.013 away. Black text reads best on it, at 13.30:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.30:1 |
| White text | 1.57:1 |
Values
| HEX | #ADD5DA |
| RGB | rgb(173, 213, 218) |
| HSL | hsl(187, 38%, 77%) |
| OKLCH | oklch(84.6% 0.043 205.7) |
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 #ADD5DA | 1.57:1 | Fails | Lc -29.7 | Dividers and decoration only |
| Black text on #ADD5DA | 13.30:1 | AAA | Lc 77.5 | Fine for body text |
| #ADD5DA text on white | 1.57:1 | Fails | Lc 26.3 | Dividers and decoration only |
| #ADD5DA text on black | 13.30:1 | AAA | Lc -76.7 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C8DEE1
oklch(88.5% 0.024 206.6)
-
Step 300
300 (this color)
#ADD5DA
oklch(84.6% 0.043 205.7)
-
Step 400
400
#6BADB5
oklch(70.6% 0.068 205.6)
-
Step 500
500
#3C98A3
oklch(63% 0.087 206.2)
-
Step 600
600
#02838E
oklch(55.7% 0.095 205.2)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#015A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#124A50
oklch(37.7% 0.057 205.5)
-
Step 950
950
#0D2B2F
oklch(26.9% 0.036 207.2)
#ADD5DA 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) | #CED1DA | 0.042 |
| Deuteranopia (no green cones) | #C6CBDA | 0.039 |
| Tritanopia (no blue cones) | #9FD8D6 | 0.019 |
| Achromatopsia (no color) | #CECECE | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD5DA
#ADD5DA
oklch(84.6% 0.043 205.7)
- #E7C2BE
#E7C2BE
oklch(84.5% 0.043 25.3)
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 #ADD5DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.013
- Light Blue #ADD8E6 ΔE 0.016
- Powder Blue #B0E0E6 ΔE 0.030
- Light Blue Grey #B7C9E2 ΔE 0.039
- Cadet Gray #CED4DA ΔE 0.041
- Light Gray #D3D3D3 ΔE 0.047
- Light Steel Blue #B0C4DE ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.051
Use #ADD5DA 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.