#99DBEE
Closest named color: Light Blue (#ADD8E6). oklch(85.4% 0.071 217.7), rgb(153, 219, 238).
Aa
Black text reads best on this color (13.72:1).
About this color
#99DBEE is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.071 and its hue 218°. 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 13.72:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.72:1 |
| White text | 1.53:1 |
Values
| HEX | #99DBEE |
| RGB | rgb(153, 219, 238) |
| HSL | hsl(193, 71%, 77%) |
| OKLCH | oklch(85.4% 0.071 217.7) |
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 #99DBEE | 1.53:1 | Fails | Lc -27.8 | Dividers and decoration only |
| Black text on #99DBEE | 13.72:1 | AAA | Lc 79.3 | Fine for body text |
| #99DBEE text on white | 1.53:1 | Fails | Lc 24.5 | Dividers and decoration only |
| #99DBEE text on black | 13.72:1 | AAA | Lc -78.6 | 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)
#99DBEE
oklch(85.4% 0.071 217.7)
-
Step 300
300
#77CFE8
oklch(80.8% 0.092 218.3)
-
Step 400
400
#00B3D4
oklch(70.7% 0.127 217.3)
-
Step 500
500
#0099B6
oklch(63% 0.113 217.6)
-
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)
#99DBEE 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) | #CED7EF | 0.062 |
| Deuteranopia (no green cones) | #C1CCEE | 0.058 |
| Tritanopia (no blue cones) | #79E2E1 | 0.043 |
| Achromatopsia (no color) | #D1D1D1 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99DBEE
#99DBEE
oklch(85.4% 0.071 217.7)
- #F9BFAE
#F9BFAE
oklch(85.3% 0.071 37)
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 #99DBEE, 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 0.028
- Powder Blue #B0E0E6 ΔE 0.033
- Sky Blue #87CEEB ΔE 0.042
- Baby Blue #A2CFFE ΔE 0.046
- Light Sky Blue #87CEFA ΔE 0.049
- Robin's Egg Blue #98EFF9 ΔE 0.052
- Light Blue Grey #B7C9E2 ΔE 0.053
Use #99DBEE 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.