#99DCFB
Closest named color: Light Blue (#ADD8E6). oklch(86% 0.08 228.6), rgb(153, 220, 251).
Aa
Black text reads best on this color (13.98:1).
About this color
#99DCFB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 86%, its chroma 0.080 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.033 away. Black text reads best on it, at 13.98:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.98:1 |
| White text | 1.50:1 |
Values
| HEX | #99DCFB |
| RGB | rgb(153, 220, 251) |
| HSL | hsl(199, 92%, 79%) |
| OKLCH | oklch(86% 0.08 228.6) |
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 #99DCFB | 1.50:1 | Fails | Lc -26.6 | Dividers and decoration only |
| Black text on #99DCFB | 13.98:1 | AAA | Lc 80.3 | Fine for body text |
| #99DCFB text on white | 1.50:1 | Fails | Lc 23.4 | Dividers and decoration only |
| #99DCFB text on black | 13.98:1 | AAA | Lc -79.8 | 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
#EDF7FD
oklch(97% 0.013 233.7)
-
Step 100
100
#D6EEFA
oklch(93.5% 0.03 229.2)
-
Step 200
200 (this color)
#99DCFB
oklch(86% 0.08 228.6)
-
Step 300
300
#74CEF5
oklch(81% 0.102 228.2)
-
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
#007FA6
oklch(55.7% 0.109 228.5)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004860
oklch(37.5% 0.074 228.7)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#99DCFB 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) | #CCD9FD | 0.059 |
| Deuteranopia (no green cones) | #BECEFB | 0.053 |
| Tritanopia (no blue cones) | #73E5E6 | 0.056 |
| Achromatopsia (no color) | #D3D3D3 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99DCFB
#99DCFB
oklch(86% 0.08 228.6)
- #FDC2A3
#FDC2A3
oklch(86% 0.08 49)
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 #99DCFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.033
- Baby Blue #A2CFFE ΔE 0.037
- Powder Blue #B0E0E6 ΔE 0.042
- Celeste #A8DADC ΔE 0.043
- Light Sky Blue #87CEFA ΔE 0.044
- Sky Blue #87CEEB ΔE 0.046
- Robin's Egg Blue #98EFF9 ΔE 0.052
- Robin's Egg #6DEDFD ΔE 0.054
Use #99DCFB 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.