#ADDFFF
Closest named color: Light Blue (#ADD8E6). oklch(88% 0.068 236.6), rgb(173, 223, 255).
Aa
Black text reads best on this color (14.77:1).
About this color
#ADDFFF is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.068 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.035 away. Black text reads best on it, at 14.77:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.77:1 |
| White text | 1.42:1 |
Values
| HEX | #ADDFFF |
| RGB | rgb(173, 223, 255) |
| HSL | hsl(203, 100%, 84%) |
| OKLCH | oklch(88% 0.068 236.6) |
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 #ADDFFF | 1.42:1 | Fails | Lc -23.1 | Dividers and decoration only |
| Black text on #ADDFFF | 14.77:1 | AAA | Lc 83.5 | Fine for body text |
| #ADDFFF text on white | 1.42:1 | Fails | Lc 20.2 | Dividers and decoration only |
| #ADDFFF text on black | 14.77:1 | AAA | Lc -83.2 | 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
#EEF7FC
oklch(97.1% 0.012 231.7)
-
Step 100
100
#DBEDF9
oklch(93.6% 0.025 236.8)
-
Step 200
200 (this color)
#ADDFFF
oklch(88% 0.068 236.6)
-
Step 300
300
#89CAF2
oklch(81% 0.087 236.3)
-
Step 400
400
#2EACEC
oklch(70.7% 0.14 236.8)
-
Step 500
500
#0094D1
oklch(63.1% 0.137 236.6)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#ADDFFF 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) | #D1DEFF | 0.043 |
| Deuteranopia (no green cones) | #C5D4FF | 0.038 |
| Tritanopia (no blue cones) | #92E7E9 | 0.052 |
| Achromatopsia (no color) | #D8D8D8 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADDFFF
#ADDFFF
oklch(88% 0.068 236.6)
- #FBCDAC
#FBCDAC
oklch(88% 0.068 57.4)
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 #ADDFFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.036
- Baby Blue #A2CFFE ΔE 0.046
- Celeste #A8DADC ΔE 0.049
- Robin's Egg Blue #98EFF9 ΔE 0.049
- Pale Turquoise #AFEEEE ΔE 0.053
- Diamond #B9F2FF ΔE 0.054
- Robin Egg Blue #8AF1FE ΔE 0.056
Use #ADDFFF 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.