#99F8DF
Closest named color: Light Aqua (#8CFFDB). oklch(91.3% 0.097 175.4), rgb(153, 248, 223).
Aa
Black text reads best on this color (16.84:1).
About this color
#99F8DF is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 91%, its chroma 0.097 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Light Aqua (#8CFFDB), ΔE 0.024 away. Black text reads best on it, at 16.84:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Light Aqua (#8CFFDB) |
| Black text | 16.84:1 |
| White text | 1.24:1 |
Values
| HEX | #99F8DF |
| RGB | rgb(153, 248, 223) |
| HSL | hsl(164, 87%, 79%) |
| OKLCH | oklch(91.3% 0.097 175.4) |
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 #99F8DF | 1.24:1 | Fails | Lc -14.0 | Not readable |
| Black text on #99F8DF | 16.84:1 | AAA | Lc 91.5 | Preferred for body text |
| #99F8DF text on white | 1.24:1 | Fails | Lc 12.1 | Not readable |
| #99F8DF text on black | 16.84:1 | AAA | Lc -91.9 | 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
#EBF9F5
oklch(97.1% 0.016 177.1)
-
Step 100
100 (this color)
#99F8DF
oklch(91.3% 0.097 175.4)
-
Step 200
200
#A8E9D7
oklch(88.5% 0.07 175.6)
-
Step 300
300
#54DBBD
oklch(81% 0.125 175.6)
-
Step 400
400
#00BB9C
oklch(70.7% 0.133 175.1)
-
Step 500
500
#00A086
oklch(63% 0.118 175.6)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004E40
oklch(37.9% 0.071 175.3)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#99F8DF 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) | #F2EDDE | 0.103 |
| Deuteranopia (no green cones) | #E1E1E1 | 0.097 |
| Tritanopia (no blue cones) | #7AFAF0 | 0.030 |
| Achromatopsia (no color) | #E6E6E6 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99F8DF
#99F8DF
oklch(91.3% 0.097 175.4)
- #FFD5E4
#FFD5E4
oklch(91.3% 0.051 354.7)
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 #99F8DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Aqua #8CFFDB ΔE 0.024
- Aquamarine #7FFFD4 ΔE 0.035
- Light Turquoise #7EF4CC ΔE 0.038
- Pale Aqua #B8FFEB ΔE 0.041
- Pale Turquoise #AFEEEE ΔE 0.045
- Light Aquamarine #7BFDC7 ΔE 0.048
- Robin's Egg Blue #98EFF9 ΔE 0.050
- Light Seafoam #A0FEBF ΔE 0.050
Use #99F8DF 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.