#99CCDB
Closest named color: Sky Blue (#87CEEB). oklch(81.5% 0.057 217.8), rgb(153, 204, 219).
Aa
Black text reads best on this color (12.01:1).
About this color
#99CCDB is a light, muted teal or cyan. In OKLCH its lightness is 81%, its chroma 0.057 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.027 away. Black text reads best on it, at 12.01:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.01:1 |
| White text | 1.74:1 |
Values
| HEX | #99CCDB |
| RGB | rgb(153, 204, 219) |
| HSL | hsl(194, 48%, 73%) |
| OKLCH | oklch(81.5% 0.057 217.8) |
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 #99CCDB | 1.74:1 | Fails | Lc -35.7 | Non-text elements, placeholder text |
| Black text on #99CCDB | 12.01:1 | AAA | Lc 72.0 | Content text, not long reading |
| #99CCDB text on white | 1.74:1 | Fails | Lc 31.8 | Non-text elements, placeholder text |
| #99CCDB text on black | 12.01:1 | AAA | Lc -70.9 | Content text, not long reading |
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 300.
-
Step 50
50
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DEEDF1
oklch(93.6% 0.017 215.5)
-
Step 200
200
#C3DFE7
oklch(88.6% 0.032 216.8)
-
Step 300
300 (this color)
#99CCDB
oklch(81.5% 0.057 217.8)
-
Step 400
400
#56AEC6
oklch(70.6% 0.091 218.1)
-
Step 500
500
#0099B7
oklch(63.1% 0.114 218.3)
-
Step 600
600
#00819A
oklch(55.7% 0.1 217.7)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#004A59
oklch(37.7% 0.067 217.2)
-
Step 950
950
#002C36
oklch(27% 0.048 217.4)
#99CCDB 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) | #C2C9DC | 0.050 |
| Deuteranopia (no green cones) | #B7C0DB | 0.046 |
| Tritanopia (no blue cones) | #83D2D1 | 0.034 |
| Achromatopsia (no color) | #C4C4C4 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99CCDB
#99CCDB
oklch(81.5% 0.057 217.8)
- #E4B6A8
#E4B6A8
oklch(81.4% 0.057 37.6)
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 #99CCDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.027
- Light Cornflower Blue #98C1D9 ΔE 0.030
- Cloudy Blue #ACC2D9 ΔE 0.032
- Light Steel Blue #B0C4DE ΔE 0.035
- Light Blue Grey #B7C9E2 ΔE 0.039
- Light Grey Blue #9DBCD4 ΔE 0.041
- Light Blue #ADD8E6 ΔE 0.042
- Celeste #A8DADC ΔE 0.044
Use #99CCDB 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.