#99D0EA
Closest named color: Sky Blue (#87CEEB). oklch(82.9% 0.067 228.8), rgb(153, 208, 234).
Aa
Black text reads best on this color (12.56:1).
About this color
#99D0EA is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.067 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.020 away. Black text reads best on it, at 12.56:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.56:1 |
| White text | 1.67:1 |
Values
| HEX | #99D0EA |
| RGB | rgb(153, 208, 234) |
| HSL | hsl(199, 66%, 76%) |
| OKLCH | oklch(82.9% 0.067 228.8) |
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 #99D0EA | 1.67:1 | Fails | Lc -33.1 | Non-text elements, placeholder text |
| Black text on #99D0EA | 12.56:1 | AAA | Lc 74.4 | Content text, not long reading |
| #99D0EA text on white | 1.67:1 | Fails | Lc 29.4 | Dividers and decoration only |
| #99D0EA text on black | 12.56:1 | AAA | Lc -73.4 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DDEDF4
oklch(93.6% 0.019 225.7)
-
Step 200
200
#C1DFED
oklch(88.6% 0.037 227.6)
-
Step 300
300 (this color)
#99D0EA
oklch(82.9% 0.067 228.8)
-
Step 400
400
#4CADD6
oklch(70.6% 0.108 229)
-
Step 500
500
#0097C5
oklch(63.2% 0.124 228.7)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#99D0EA 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) | #C3CEEB | 0.050 |
| Deuteranopia (no green cones) | #B7C4EA | 0.045 |
| Tritanopia (no blue cones) | #7DD8D8 | 0.048 |
| Achromatopsia (no color) | #C8C8C8 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99D0EA
#99D0EA
oklch(82.9% 0.067 228.8)
- #ECBBA1
#ECBBA1
oklch(82.9% 0.067 49.3)
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 #99D0EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.020
- Light Sky Blue #87CEFA ΔE 0.030
- Baby Blue #A2CFFE ΔE 0.032
- Light Blue #ADD8E6 ΔE 0.035
- Light Blue Grey #B7C9E2 ΔE 0.037
- Light Steel Blue #B0C4DE ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.041
Use #99D0EA 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.