#99FAEF
Closest named color: Pale Aqua (#B8FFEB). oklch(92.2% 0.093 186.5), rgb(153, 250, 239).
Aa
Black text reads best on this color (17.27:1).
About this color
#99FAEF is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 92%, its chroma 0.093 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Aqua (#B8FFEB), ΔE 0.035 away. Black text reads best on it, at 17.27:1.
| Hue family | Teals and cyans |
| Lightness | very light (92%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Pale Aqua (#B8FFEB) |
| Black text | 17.27:1 |
| White text | 1.21:1 |
Values
| HEX | #99FAEF |
| RGB | rgb(153, 250, 239) |
| HSL | hsl(173, 91%, 79%) |
| OKLCH | oklch(92.2% 0.093 186.5) |
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 #99FAEF | 1.21:1 | Fails | Lc -12.2 | Not readable |
| Black text on #99FAEF | 17.27:1 | AAA | Lc 93.1 | Preferred for body text |
| #99FAEF text on white | 1.21:1 | Fails | Lc 10.5 | Not readable |
| #99FAEF text on black | 17.27:1 | AAA | Lc -93.6 | Preferred 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 100.
-
Step 50
50
#EAF9F7
oklch(97% 0.016 187.3)
-
Step 100
100 (this color)
#99FAEF
oklch(92.2% 0.093 186.5)
-
Step 200
200
#A7E8E0
oklch(88.5% 0.066 186.5)
-
Step 300
300
#4EDACD
oklch(81% 0.12 186.3)
-
Step 400
400
#00B9AD
oklch(70.7% 0.124 186.6)
-
Step 500
500
#009F94
oklch(63.2% 0.111 186.2)
-
Step 600
600
#00857C
oklch(55.5% 0.097 186.5)
-
Step 700
700
#007068
oklch(49.1% 0.086 186.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#99FAEF 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) | #F1F0EF | 0.100 |
| Deuteranopia (no green cones) | #E0E4F0 | 0.093 |
| Tritanopia (no blue cones) | #73FEF6 | 0.029 |
| Achromatopsia (no color) | #E9E9E9 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99FAEF
#99FAEF
oklch(92.2% 0.093 186.5)
- #FFDAE1
#FFDAE1
oklch(92.1% 0.042 5.1)
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 #99FAEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Aqua #B8FFEB ΔE 0.035
- Pale Turquoise #AFEEEE ΔE 0.036
- Robin's Egg Blue #98EFF9 ΔE 0.037
- Light Aqua #8CFFDB ΔE 0.037
- Pale Cyan #B7FFFA ΔE 0.037
- Robin Egg Blue #8AF1FE ΔE 0.039
- Duck Egg Blue #C3FBF4 ΔE 0.044
- Pale Sky Blue #BDF6FE ΔE 0.046
Use #99FAEF 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.