#99EBFF
Closest named color: Robin's Egg Blue (#98EFF9). oklch(89.4% 0.084 214.9), rgb(153, 235, 255).
Aa
Black text reads best on this color (15.68:1).
About this color
#99EBFF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 89%, its chroma 0.084 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.016 away. Black text reads best on it, at 15.68:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 15.68:1 |
| White text | 1.33:1 |
Values
| HEX | #99EBFF |
| RGB | rgb(153, 235, 255) |
| HSL | hsl(192, 100%, 80%) |
| OKLCH | oklch(89.4% 0.084 214.9) |
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 #99EBFF | 1.33:1 | Fails | Lc -19.0 | Dividers and decoration only |
| Black text on #99EBFF | 15.68:1 | AAA | Lc 87.1 | Fine for body text |
| #99EBFF text on white | 1.33:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #99EBFF text on black | 15.68:1 | AAA | Lc -87.1 | 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
#EBF8FC
oklch(97.1% 0.015 218)
-
Step 100
100
#D3F0F7
oklch(93.6% 0.032 213.9)
-
Step 200
200 (this color)
#99EBFF
oklch(89.4% 0.084 214.9)
-
Step 300
300
#61D2EC
oklch(80.8% 0.108 215.2)
-
Step 400
400
#00B3D1
oklch(70.6% 0.125 215.4)
-
Step 500
500
#009AB3
oklch(63.1% 0.111 214.6)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#99EBFF 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) | #DCE6FF | 0.076 |
| Deuteranopia (no green cones) | #CCD9FF | 0.070 |
| Tritanopia (no blue cones) | #6EF3F1 | 0.049 |
| Achromatopsia (no color) | #DEDEDE | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99EBFF
#99EBFF
oklch(89.4% 0.084 214.9)
- #FFD0C3
#FFD0C3
oklch(89.5% 0.056 36)
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 #99EBFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.016
- Robin Egg Blue #8AF1FE ΔE 0.020
- Pale Turquoise #AFEEEE ΔE 0.034
- Robin's Egg #6DEDFD ΔE 0.037
- Diamond #B9F2FF ΔE 0.040
- Powder Blue #B0E0E6 ΔE 0.040
- Pale Sky Blue #BDF6FE ΔE 0.051
- Light Blue #ADD8E6 ΔE 0.052
Use #99EBFF 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.