#ADDFF9
Closest named color: Light Blue (#ADD8E6). oklch(87.7% 0.063 231), rgb(173, 223, 249).
Aa
Black text reads best on this color (14.69:1).
About this color
#ADDFF9 is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.063 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.028 away. Black text reads best on it, at 14.69:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.69:1 |
| White text | 1.42:1 |
Values
| HEX | #ADDFF9 |
| RGB | rgb(173, 223, 249) |
| HSL | hsl(201, 86%, 83%) |
| OKLCH | oklch(87.7% 0.063 231) |
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 #ADDFF9 | 1.42:1 | Fails | Lc -23.4 | Dividers and decoration only |
| Black text on #ADDFF9 | 14.69:1 | AAA | Lc 83.2 | Fine for body text |
| #ADDFF9 text on white | 1.42:1 | Fails | Lc 20.5 | Dividers and decoration only |
| #ADDFF9 text on black | 14.69:1 | AAA | Lc -82.8 | 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
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DBEDF7
oklch(93.6% 0.023 231.8)
-
Step 200
200 (this color)
#ADDFF9
oklch(87.7% 0.063 231)
-
Step 300
300
#89CBEC
oklch(81% 0.081 230.8)
-
Step 400
400
#30AEE2
oklch(70.7% 0.129 231)
-
Step 500
500
#0096C8
oklch(63.1% 0.127 231)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8E
oklch(49.1% 0.099 230.6)
-
Step 800
800
#005775
oklch(42.8% 0.086 230.3)
-
Step 900
900
#004862
oklch(37.7% 0.076 230.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#ADDFF9 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) | #D2DDFA | 0.045 |
| Deuteranopia (no green cones) | #C7D4F9 | 0.040 |
| Tritanopia (no blue cones) | #95E6E7 | 0.045 |
| Achromatopsia (no color) | #D8D8D8 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADDFF9
#ADDFF9
oklch(87.7% 0.063 231)
- #FACCB2
#FACCB2
oklch(87.9% 0.063 51)
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 #ADDFF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.028
- Powder Blue #B0E0E6 ΔE 0.028
- Celeste #A8DADC ΔE 0.040
- Robin's Egg Blue #98EFF9 ΔE 0.046
- Pale Turquoise #AFEEEE ΔE 0.048
- Baby Blue #A2CFFE ΔE 0.049
- Diamond #B9F2FF ΔE 0.053
- Robin Egg Blue #8AF1FE ΔE 0.054
Use #ADDFF9 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.