#ADD7DA
Closest named color: Celeste (#A8DADC). oklch(85% 0.044 201.7), rgb(173, 215, 218).
Aa
Black text reads best on this color (13.50:1).
About this color
#ADD7DA is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.044 and its hue 202°. 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 13.50:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.50:1 |
| White text | 1.55:1 |
Values
| HEX | #ADD7DA |
| RGB | rgb(173, 215, 218) |
| HSL | hsl(184, 38%, 77%) |
| OKLCH | oklch(85% 0.044 201.7) |
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 #ADD7DA | 1.55:1 | Fails | Lc -28.8 | Dividers and decoration only |
| Black text on #ADD7DA | 13.50:1 | AAA | Lc 78.3 | Fine for body text |
| #ADD7DA text on white | 1.55:1 | Fails | Lc 25.4 | Dividers and decoration only |
| #ADD7DA text on black | 13.50:1 | AAA | Lc -77.6 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DEEDEE
oklch(93.5% 0.016 201.7)
-
Step 200
200 (this color)
#ADD7DA
oklch(85% 0.044 201.7)
-
Step 300
300
#95CCD0
oklch(80.9% 0.057 201.7)
-
Step 400
400
#51B1B8
oklch(70.6% 0.09 201.8)
-
Step 500
500
#009CA5
oklch(63.1% 0.107 202)
-
Step 600
600
#00838B
oklch(55.5% 0.095 202.3)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#ADD7DA 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) | #D1D3DA | 0.045 |
| Deuteranopia (no green cones) | #C8CDDA | 0.041 |
| Tritanopia (no blue cones) | #9FDAD8 | 0.018 |
| Achromatopsia (no color) | #CFCFCF | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD7DA
#ADD7DA
oklch(85% 0.044 201.7)
- #EAC3C1
#EAC3C1
oklch(85% 0.045 21.5)
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 #ADD7DA, 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 0.016
- Powder Blue #B0E0E6 ΔE 0.026
- Cadet Gray #CED4DA ΔE 0.041
- Light Blue Grey #B7C9E2 ΔE 0.044
- Light Gray #D3D3D3 ΔE 0.047
- Tiffany Blue #94D2BD ΔE 0.052
- Light Steel Blue #B0C4DE ΔE 0.054
Use #ADD7DA 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.