#ADDDDD
Closest named color: Celeste (#A8DADC). oklch(86.4% 0.05 196.3), rgb(173, 221, 221).
Aa
Black text reads best on this color (14.16:1).
About this color
#ADDDDD is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.050 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.010 away. Black text reads best on it, at 14.16:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 14.16:1 |
| White text | 1.48:1 |
Values
| HEX | #ADDDDD |
| RGB | rgb(173, 221, 221) |
| HSL | hsl(180, 41%, 77%) |
| OKLCH | oklch(86.4% 0.05 196.3) |
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 #ADDDDD | 1.48:1 | Fails | Lc -25.8 | Dividers and decoration only |
| Black text on #ADDDDD | 14.16:1 | AAA | Lc 81.0 | Fine for body text |
| #ADDDDD text on white | 1.48:1 | Fails | Lc 22.7 | Dividers and decoration only |
| #ADDDDD text on black | 14.16:1 | AAA | Lc -80.5 | 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
#EFF7F7
oklch(97% 0.008 197)
-
Step 100
100
#DDEEEE
oklch(93.7% 0.018 196.8)
-
Step 200
200 (this color)
#ADDDDD
oklch(86.4% 0.05 196.3)
-
Step 300
300
#8FCECE
oklch(80.9% 0.064 196)
-
Step 400
400
#40B4B6
oklch(70.7% 0.102 196.7)
-
Step 500
500
#009D9F
oklch(63.1% 0.107 196.4)
-
Step 600
600
#008486
oklch(55.6% 0.095 196.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#ADDDDD 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) | #D7D8DD | 0.053 |
| Deuteranopia (no green cones) | #CDD1DD | 0.048 |
| Tritanopia (no blue cones) | #9EE0DD | 0.017 |
| Achromatopsia (no color) | #D4D4D4 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADDDDD
#ADDDDD
oklch(86.4% 0.05 196.3)
- #F1C6C7
#F1C6C7
oklch(86.4% 0.049 16.6)
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 #ADDDDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.010
- Powder Blue #B0E0E6 ΔE 0.014
- Light Blue #ADD8E6 ΔE 0.021
- Cadet Gray #CED4DA ΔE 0.044
- Pale Turquoise #AFEEEE ΔE 0.045
- Light Gray #D3D3D3 ΔE 0.050
- Robin's Egg Blue #98EFF9 ΔE 0.052
- Pale Silver #D8E2DC ΔE 0.056
Use #ADDDDD 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.