#ADDAE0
Closest named color: Celeste (#A8DADC). oklch(85.9% 0.048 206.3), rgb(173, 218, 224).
Aa
Black text reads best on this color (13.88:1).
About this color
#ADDAE0 is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.048 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.009 away. Black text reads best on it, at 13.88:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.88:1 |
| White text | 1.51:1 |
Values
| HEX | #ADDAE0 |
| RGB | rgb(173, 218, 224) |
| HSL | hsl(187, 45%, 78%) |
| OKLCH | oklch(85.9% 0.048 206.3) |
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 #ADDAE0 | 1.51:1 | Fails | Lc -27.1 | Dividers and decoration only |
| Black text on #ADDAE0 | 13.88:1 | AAA | Lc 79.9 | Fine for body text |
| #ADDAE0 text on white | 1.51:1 | Fails | Lc 23.9 | Dividers and decoration only |
| #ADDAE0 text on black | 13.88:1 | AAA | Lc -79.3 | 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 200.
-
Step 50
50
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DDEDF0
oklch(93.5% 0.017 210.2)
-
Step 200
200 (this color)
#ADDAE0
oklch(85.9% 0.048 206.3)
-
Step 300
300
#92CCD4
oklch(80.8% 0.061 206.7)
-
Step 400
400
#48B2BF
oklch(70.8% 0.098 206.4)
-
Step 500
500
#009BAA
oklch(63% 0.108 206.9)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#ADDAE0 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) | #D3D6E0 | 0.047 |
| Deuteranopia (no green cones) | #C9CFE0 | 0.043 |
| Tritanopia (no blue cones) | #9DDEDC | 0.022 |
| Achromatopsia (no color) | #D2D2D2 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADDAE0
#ADDAE0
oklch(85.9% 0.048 206.3)
- #EEC5C0
#EEC5C0
oklch(85.8% 0.047 26.2)
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 #ADDAE0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.009
- Light Blue #ADD8E6 ΔE 0.011
- Powder Blue #B0E0E6 ΔE 0.017
- Cadet Gray #CED4DA ΔE 0.041
- Light Blue Grey #B7C9E2 ΔE 0.047
- Light Gray #D3D3D3 ΔE 0.048
- Pale Turquoise #AFEEEE ΔE 0.052
- Robin's Egg Blue #98EFF9 ΔE 0.056
Use #ADDAE0 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.