#ADDDDF
Closest named color: Celeste (#A8DADC). oklch(86.5% 0.05 199.4), rgb(173, 221, 223).
Aa
Black text reads best on this color (14.18:1).
About this color
#ADDDDF is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.050 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.011 away. Black text reads best on it, at 14.18:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 14.18:1 |
| White text | 1.48:1 |
Values
| HEX | #ADDDDF |
| RGB | rgb(173, 221, 223) |
| HSL | hsl(182, 44%, 78%) |
| OKLCH | oklch(86.5% 0.05 199.4) |
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 #ADDDDF | 1.48:1 | Fails | Lc -25.7 | Dividers and decoration only |
| Black text on #ADDDDF | 14.18:1 | AAA | Lc 81.1 | Fine for body text |
| #ADDDDF text on white | 1.48:1 | Fails | Lc 22.6 | Dividers and decoration only |
| #ADDDDF text on black | 14.18:1 | AAA | Lc -80.6 | 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
#EFF7F8
oklch(97% 0.009 205.9)
-
Step 100
100
#DCEEEE
oklch(93.6% 0.019 196.8)
-
Step 200
200 (this color)
#ADDDDF
oklch(86.5% 0.05 199.4)
-
Step 300
300
#8FCED0
oklch(81% 0.064 198.5)
-
Step 400
400
#3FB4B9
oklch(70.8% 0.102 199.2)
-
Step 500
500
#009DA2
oklch(63.2% 0.107 198.8)
-
Step 600
600
#008489
oklch(55.7% 0.095 199.5)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4F
oklch(37.8% 0.064 199.4)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#ADDDDF 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) | #D6D8DF | 0.051 |
| Deuteranopia (no green cones) | #CDD1DF | 0.048 |
| Tritanopia (no blue cones) | #9DE1DD | 0.020 |
| Achromatopsia (no color) | #D4D4D4 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADDDDF
#ADDDDF
oklch(86.5% 0.05 199.4)
- #F2C6C5
#F2C6C5
oklch(86.4% 0.05 19.7)
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 #ADDDDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.011
- Powder Blue #B0E0E6 ΔE 0.012
- Light Blue #ADD8E6 ΔE 0.019
- Cadet Gray #CED4DA ΔE 0.043
- Pale Turquoise #AFEEEE ΔE 0.044
- Light Gray #D3D3D3 ΔE 0.050
- Robin's Egg Blue #98EFF9 ΔE 0.051
- Light Blue Grey #B7C9E2 ΔE 0.056
Use #ADDDDF 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.