#99FFEE
Closest named color: Pale Aqua (#B8FFEB). oklch(93.3% 0.099 182.2), rgb(153, 255, 238).
Aa
Black text reads best on this color (17.89:1).
About this color
#99FFEE is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 93%, its chroma 0.099 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Aqua (#B8FFEB), ΔE 0.030 away. Black text reads best on it, at 17.89:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Pale Aqua (#B8FFEB) |
| Black text | 17.89:1 |
| White text | 1.17:1 |
Values
| HEX | #99FFEE |
| RGB | rgb(153, 255, 238) |
| HSL | hsl(170, 100%, 80%) |
| OKLCH | oklch(93.3% 0.099 182.2) |
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 #99FFEE | 1.17:1 | Fails | Lc -9.6 | Not readable |
| Black text on #99FFEE | 17.89:1 | AAA | Lc 95.3 | Preferred for body text |
| #99FFEE text on white | 1.17:1 | Fails | Lc 8.2 | Not readable |
| #99FFEE text on black | 17.89:1 | AAA | Lc -96.1 | 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
#EAF9F6
oklch(97% 0.016 182.7)
-
Step 100
100 (this color)
#99FFEE
oklch(93.3% 0.099 182.2)
-
Step 200
200
#A4E9DD
oklch(88.5% 0.071 182.6)
-
Step 300
300
#45DBC7
oklch(80.9% 0.127 182.3)
-
Step 400
400
#00BAA7
oklch(70.8% 0.127 182.2)
-
Step 500
500
#009F8F
oklch(63.1% 0.113 182.5)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#99FFEE 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) | #F7F4ED | 0.106 |
| Deuteranopia (no green cones) | #E5E7F0 | 0.101 |
| Tritanopia (no blue cones) | #73FFFA | 0.032 |
| Achromatopsia (no color) | #EDEDED | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99FFEE
#99FFEE
oklch(93.3% 0.099 182.2)
- #FFDFE7
#FFDFE7
oklch(93.2% 0.037 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 #99FFEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Aqua #B8FFEB ΔE 0.030
- Light Aqua #8CFFDB ΔE 0.030
- Pale Cyan #B7FFFA ΔE 0.036
- Aquamarine #7FFFD4 ΔE 0.045
- Duck Egg Blue #C3FBF4 ΔE 0.045
- Eggshell Blue #C4FFF7 ΔE 0.047
- Pale Turquoise #AFEEEE ΔE 0.048
- Robin's Egg Blue #98EFF9 ΔE 0.051
Use #99FFEE 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.