#99DAE9
Closest named color: Light Blue (#ADD8E6). oklch(85% 0.069 213.7), rgb(153, 218, 233).
Aa
Black text reads best on this color (13.55:1).
About this color
#99DAE9 is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.069 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.022 away. Black text reads best on it, at 13.55:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.55:1 |
| White text | 1.54:1 |
Values
| HEX | #99DAE9 |
| RGB | rgb(153, 218, 233) |
| HSL | hsl(191, 65%, 76%) |
| OKLCH | oklch(85% 0.069 213.7) |
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 #99DAE9 | 1.54:1 | Fails | Lc -28.5 | Dividers and decoration only |
| Black text on #99DAE9 | 13.55:1 | AAA | Lc 78.6 | Fine for body text |
| #99DAE9 text on white | 1.54:1 | Fails | Lc 25.2 | Dividers and decoration only |
| #99DAE9 text on black | 13.55:1 | AAA | Lc -77.9 | 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
#EDF8FA
oklch(97.1% 0.012 209.8)
-
Step 100
100
#D8EFF4
oklch(93.7% 0.025 212.2)
-
Step 200
200 (this color)
#99DAE9
oklch(85% 0.069 213.7)
-
Step 300
300
#79D0E3
oklch(81% 0.088 213.3)
-
Step 400
400
#00B4CF
oklch(70.8% 0.124 213.4)
-
Step 500
500
#009AB2
oklch(63.1% 0.111 213.9)
-
Step 600
600
#008196
oklch(55.5% 0.098 214.4)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#99DAE9 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) | #CED5EA | 0.063 |
| Deuteranopia (no green cones) | #C1CBE9 | 0.058 |
| Tritanopia (no blue cones) | #7CE0DE | 0.038 |
| Achromatopsia (no color) | #D0D0D0 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99DAE9
#99DAE9
oklch(85% 0.069 213.7)
- #F7BEB1
#F7BEB1
oklch(84.9% 0.069 33.1)
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 #99DAE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.022
- Celeste #A8DADC ΔE 0.023
- Powder Blue #B0E0E6 ΔE 0.032
- Sky Blue #87CEEB ΔE 0.041
- Baby Blue #A2CFFE ΔE 0.049
- Light Sky Blue #87CEFA ΔE 0.051
- Light Blue Grey #B7C9E2 ΔE 0.052
- Robin's Egg Blue #98EFF9 ΔE 0.054
Use #99DAE9 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.