#99DAEE
Closest named color: Light Blue (#ADD8E6). oklch(85.2% 0.071 219), rgb(153, 218, 238).
Aa
Black text reads best on this color (13.61:1).
About this color
#99DAEE is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.071 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.023 away. Black text reads best on it, at 13.61:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.61:1 |
| White text | 1.54:1 |
Values
| HEX | #99DAEE |
| RGB | rgb(153, 218, 238) |
| HSL | hsl(194, 71%, 77%) |
| OKLCH | oklch(85.2% 0.071 219) |
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 #99DAEE | 1.54:1 | Fails | Lc -28.2 | Dividers and decoration only |
| Black text on #99DAEE | 13.61:1 | AAA | Lc 78.8 | Fine for body text |
| #99DAEE text on white | 1.54:1 | Fails | Lc 24.9 | Dividers and decoration only |
| #99DAEE text on black | 13.61:1 | AAA | Lc -78.2 | 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
#EDF8FB
oklch(97.2% 0.012 215.8)
-
Step 100
100
#D7EFF6
oklch(93.7% 0.027 217.1)
-
Step 200
200 (this color)
#99DAEE
oklch(85.2% 0.071 219)
-
Step 300
300
#78CFE9
oklch(80.9% 0.092 219.3)
-
Step 400
400
#00B2D6
oklch(70.6% 0.128 219.2)
-
Step 500
500
#0099B8
oklch(63.1% 0.114 219)
-
Step 600
600
#00819B
oklch(55.7% 0.1 218.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#99DAEE 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) | #CDD6EF | 0.061 |
| Deuteranopia (no green cones) | #C0CCEE | 0.056 |
| Tritanopia (no blue cones) | #7AE1E0 | 0.043 |
| Achromatopsia (no color) | #D0D0D0 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99DAEE
#99DAEE
oklch(85.2% 0.071 219)
- #F8BFAC
#F8BFAC
oklch(85.1% 0.071 39.2)
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 #99DAEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.023
- Celeste #A8DADC ΔE 0.029
- Powder Blue #B0E0E6 ΔE 0.034
- Sky Blue #87CEEB ΔE 0.039
- Baby Blue #A2CFFE ΔE 0.044
- Light Sky Blue #87CEFA ΔE 0.046
- Light Blue Grey #B7C9E2 ΔE 0.051
- Robin's Egg Blue #98EFF9 ΔE 0.054
Use #99DAEE 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.