#99DDFC
Closest named color: Light Blue (#ADD8E6). oklch(86.3% 0.081 228.2), rgb(153, 221, 252).
Aa
Black text reads best on this color (14.10:1).
About this color
#99DDFC is a light, moderately saturated teal or cyan. In OKLCH its lightness is 86%, its chroma 0.081 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.034 away. Black text reads best on it, at 14.10:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.10:1 |
| White text | 1.48:1 |
Values
| HEX | #99DDFC |
| RGB | rgb(153, 221, 252) |
| HSL | hsl(199, 94%, 79%) |
| OKLCH | oklch(86.3% 0.081 228.2) |
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 #99DDFC | 1.48:1 | Fails | Lc -26.0 | Dividers and decoration only |
| Black text on #99DDFC | 14.10:1 | AAA | Lc 80.8 | Fine for body text |
| #99DDFC text on white | 1.48:1 | Fails | Lc 22.9 | Dividers and decoration only |
| #99DDFC text on black | 14.10:1 | AAA | Lc -80.3 | 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
#ECF8FD
oklch(97.2% 0.014 224.5)
-
Step 100
100
#D6EEFA
oklch(93.5% 0.03 229.2)
-
Step 200
200 (this color)
#99DDFC
oklch(86.3% 0.081 228.2)
-
Step 300
300
#72CEF5
oklch(80.9% 0.104 227.7)
-
Step 400
400
#00B0E4
oklch(70.7% 0.138 228.2)
-
Step 500
500
#0097C4
oklch(63.2% 0.123 228.1)
-
Step 600
600
#007FA5
oklch(55.7% 0.108 227.8)
-
Step 700
700
#006A8B
oklch(49% 0.096 228.3)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004960
oklch(37.8% 0.073 227.3)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#99DDFC 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) | #CDDAFE | 0.060 |
| Deuteranopia (no green cones) | #BECFFC | 0.053 |
| Tritanopia (no blue cones) | #73E6E7 | 0.056 |
| Achromatopsia (no color) | #D4D4D4 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99DDFC
#99DDFC
oklch(86.3% 0.081 228.2)
- #FFC3A4
#FFC3A4
oklch(86.4% 0.081 48.6)
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 #99DDFC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.034
- Baby Blue #A2CFFE ΔE 0.039
- Powder Blue #B0E0E6 ΔE 0.041
- Celeste #A8DADC ΔE 0.044
- Light Sky Blue #87CEFA ΔE 0.046
- Sky Blue #87CEEB ΔE 0.048
- Robin's Egg Blue #98EFF9 ΔE 0.050
- Robin's Egg #6DEDFD ΔE 0.053
Use #99DDFC 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.