#ADD5DB
Closest named color: Celeste (#A8DADC). oklch(84.6% 0.043 207.6), rgb(173, 213, 219).
Aa
Black text reads best on this color (13.31:1).
About this color
#ADD5DB is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.043 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.014 away. Black text reads best on it, at 13.31:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.31:1 |
| White text | 1.57:1 |
Values
| HEX | #ADD5DB |
| RGB | rgb(173, 213, 219) |
| HSL | hsl(188, 39%, 77%) |
| OKLCH | oklch(84.6% 0.043 207.6) |
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 #ADD5DB | 1.57:1 | Fails | Lc -29.7 | Dividers and decoration only |
| Black text on #ADD5DB | 13.31:1 | AAA | Lc 77.5 | Fine for body text |
| #ADD5DB text on white | 1.57:1 | Fails | Lc 26.2 | Dividers and decoration only |
| #ADD5DB text on black | 13.31:1 | AAA | Lc -76.8 | 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
#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)
#ADD5DB
oklch(84.6% 0.043 207.6)
-
Step 400
400
#6BADB7
oklch(70.7% 0.069 208)
-
Step 500
500
#3C98A5
oklch(63% 0.088 208.1)
-
Step 600
600
#028290
oklch(55.5% 0.095 208.1)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#124A51
oklch(37.7% 0.057 207.2)
-
Step 950
950
#0D2B30
oklch(26.9% 0.036 210.1)
#ADD5DB 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) | #CED2DB | 0.041 |
| Deuteranopia (no green cones) | #C6CBDB | 0.039 |
| Tritanopia (no blue cones) | #9FD9D7 | 0.021 |
| Achromatopsia (no color) | #CECECE | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD5DB
#ADD5DB
oklch(84.6% 0.043 207.6)
- #E7C3BD
#E7C3BD
oklch(84.6% 0.042 29.1)
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 #ADD5DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.014
- Light Blue #ADD8E6 ΔE 0.015
- Powder Blue #B0E0E6 ΔE 0.030
- Light Blue Grey #B7C9E2 ΔE 0.038
- Cadet Gray #CED4DA ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.048
- Light Gray #D3D3D3 ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.051
Use #ADD5DB 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.