#ADCDDD
Closest named color: Light Blue Grey (#B7C9E2). oklch(83% 0.041 229.5), rgb(173, 205, 221).
Aa
Black text reads best on this color (12.55:1).
About this color
#ADCDDD is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.041 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.019 away. Black text reads best on it, at 12.55:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.55:1 |
| White text | 1.67:1 |
Values
| HEX | #ADCDDD |
| RGB | rgb(173, 205, 221) |
| HSL | hsl(200, 41%, 77%) |
| OKLCH | oklch(83% 0.041 229.5) |
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 #ADCDDD | 1.67:1 | Fails | Lc -33.2 | Non-text elements, placeholder text |
| Black text on #ADCDDD | 12.55:1 | AAA | Lc 74.3 | Content text, not long reading |
| #ADCDDD text on white | 1.67:1 | Fails | Lc 29.5 | Dividers and decoration only |
| #ADCDDD text on black | 12.55:1 | AAA | Lc -73.3 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CBDCE5
oklch(88.4% 0.022 230.6)
-
Step 300
300 (this color)
#ADCDDD
oklch(83% 0.041 229.5)
-
Step 400
400
#75A9C2
oklch(70.7% 0.066 229.5)
-
Step 500
500
#4E93B2
oklch(63.1% 0.084 229.3)
-
Step 600
600
#2E7D9E
oklch(55.6% 0.091 229.5)
-
Step 700
700
#1F6987
oklch(49% 0.085 229.6)
-
Step 800
800
#1D566E
oklch(42.7% 0.07 229.7)
-
Step 900
900
#1E4759
oklch(37.7% 0.055 229.4)
-
Step 950
950
#132A34
oklch(27.1% 0.034 228.3)
#ADCDDD 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) | #C5CBDE | 0.031 |
| Deuteranopia (no green cones) | #BEC6DD | 0.027 |
| Tritanopia (no blue cones) | #9FD2D2 | 0.029 |
| Achromatopsia (no color) | #C8C8C8 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADCDDD
#ADCDDD
oklch(83% 0.041 229.5)
- #DEC0B0
#DEC0B0
oklch(82.9% 0.041 49.8)
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 #ADCDDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.019
- Light Steel Blue #B0C4DE ΔE 0.025
- Light Blue #ADD8E6 ΔE 0.028
- Cloudy Blue #ACC2D9 ΔE 0.029
- Celeste #A8DADC ΔE 0.036
- Light Cornflower Blue #98C1D9 ΔE 0.043
- Sky Blue #87CEEB ΔE 0.044
- Baby Blue #A2CFFE ΔE 0.046
Use #ADCDDD 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.