#99E4EB
Closest named color: Powder Blue (#B0E0E6). oklch(87.2% 0.075 203.3), rgb(153, 228, 235).
Aa
Black text reads best on this color (14.65:1).
About this color
#99E4EB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 87%, its chroma 0.075 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.025 away. Black text reads best on it, at 14.65:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.65:1 |
| White text | 1.43:1 |
Values
| HEX | #99E4EB |
| RGB | rgb(153, 228, 235) |
| HSL | hsl(185, 67%, 76%) |
| OKLCH | oklch(87.2% 0.075 203.3) |
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 #99E4EB | 1.43:1 | Fails | Lc -23.6 | Dividers and decoration only |
| Black text on #99E4EB | 14.65:1 | AAA | Lc 83.0 | Fine for body text |
| #99E4EB text on white | 1.43:1 | Fails | Lc 20.7 | Dividers and decoration only |
| #99E4EB text on black | 14.65:1 | AAA | Lc -82.7 | 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
#ECF8F9
oklch(97% 0.013 202.9)
-
Step 100
100
#D6F0F2
oklch(93.7% 0.027 202.3)
-
Step 200
200 (this color)
#99E4EB
oklch(87.2% 0.075 203.3)
-
Step 300
300
#6DD3DC
oklch(80.9% 0.096 203)
-
Step 400
400
#00B6C2
oklch(70.7% 0.12 203.2)
-
Step 500
500
#009CA6
oklch(63.1% 0.107 202.8)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#99E4EB 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) | #D9DEEC | 0.075 |
| Deuteranopia (no green cones) | #CBD3EB | 0.069 |
| Tritanopia (no blue cones) | #79EAE6 | 0.034 |
| Achromatopsia (no color) | #D7D7D7 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99E4EB
#99E4EB
oklch(87.2% 0.075 203.3)
- #FFC4C0
#FFC4C0
oklch(87.2% 0.068 23)
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 #99E4EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.025
- Celeste #A8DADC ΔE 0.030
- Robin's Egg Blue #98EFF9 ΔE 0.030
- Light Blue #ADD8E6 ΔE 0.035
- Robin Egg Blue #8AF1FE ΔE 0.036
- Pale Turquoise #AFEEEE ΔE 0.037
- Robin's Egg #6DEDFD ΔE 0.041
- Diamond #B9F2FF ΔE 0.057
Use #99E4EB 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.