#99CEF2
Closest named color: Baby Blue (#A2CFFE). oklch(82.7% 0.075 238.5), rgb(153, 206, 242).
Aa
Black text reads best on this color (12.46:1).
About this color
#99CEF2 is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.075 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.021 away. Black text reads best on it, at 12.46:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.46:1 |
| White text | 1.68:1 |
Values
| HEX | #99CEF2 |
| RGB | rgb(153, 206, 242) |
| HSL | hsl(204, 77%, 77%) |
| OKLCH | oklch(82.7% 0.075 238.5) |
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 #99CEF2 | 1.68:1 | Fails | Lc -33.6 | Non-text elements, placeholder text |
| Black text on #99CEF2 | 12.46:1 | AAA | Lc 74.0 | Content text, not long reading |
| #99CEF2 text on white | 1.68:1 | Fails | Lc 29.8 | Dividers and decoration only |
| #99CEF2 text on black | 12.46:1 | AAA | Lc -73.0 | 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
#F0F7FC
oklch(97.2% 0.01 238.5)
-
Step 100
100
#DDECF7
oklch(93.5% 0.022 239.4)
-
Step 200
200
#C1DEF2
oklch(88.6% 0.041 238.1)
-
Step 300
300 (this color)
#99CEF2
oklch(82.7% 0.075 238.5)
-
Step 400
400
#4EAAE3
oklch(70.6% 0.121 239)
-
Step 500
500
#0093D4
oklch(63% 0.141 238.5)
-
Step 600
600
#007CB3
oklch(55.7% 0.124 238.2)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#002A40
oklch(27% 0.06 237.8)
#99CEF2 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) | #BECDF4 | 0.044 |
| Deuteranopia (no green cones) | #B2C3F1 | 0.039 |
| Tritanopia (no blue cones) | #7AD7DA | 0.058 |
| Achromatopsia (no color) | #C7C7C7 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99CEF2
#99CEF2
oklch(82.7% 0.075 238.5)
- #ECBB96
#ECBB96
oklch(82.7% 0.075 58.5)
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 #99CEF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.021
- Light Sky Blue #87CEFA ΔE 0.021
- Sky Blue #87CEEB ΔE 0.023
- Sky #82CAFC ΔE 0.031
- Lightblue #7BC8F6 ΔE 0.037
- Light Steel Blue #B0C4DE ΔE 0.038
- Light Blue Grey #B7C9E2 ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.042
Use #99CEF2 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.