#99FDF0
Closest named color: Pale Aqua (#B8FFEB). oklch(92.9% 0.096 185.1), rgb(153, 253, 240).
Aa
Black text reads best on this color (17.66:1).
About this color
#99FDF0 is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 93%, its chroma 0.096 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Aqua (#B8FFEB), ΔE 0.032 away. Black text reads best on it, at 17.66:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Pale Aqua (#B8FFEB) |
| Black text | 17.66:1 |
| White text | 1.18:1 |
Values
| HEX | #99FDF0 |
| RGB | rgb(153, 253, 240) |
| HSL | hsl(172, 96%, 80%) |
| OKLCH | oklch(92.9% 0.096 185.1) |
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 #99FDF0 | 1.18:1 | Fails | Lc -10.6 | Not readable |
| Black text on #99FDF0 | 17.66:1 | AAA | Lc 94.5 | Preferred for body text |
| #99FDF0 text on white | 1.18:1 | Fails | Lc 9.0 | Not readable |
| #99FDF0 text on black | 17.66:1 | AAA | Lc -95.2 | 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)
#99FDF0
oklch(92.9% 0.096 185.1)
-
Step 200
200
#A5E9DF
oklch(88.6% 0.069 184.7)
-
Step 300
300
#49DACB
oklch(80.8% 0.123 185.2)
-
Step 400
400
#00B9AB
oklch(70.7% 0.124 185.3)
-
Step 500
500
#009F92
oklch(63.2% 0.111 184.7)
-
Step 600
600
#00857B
oklch(55.5% 0.097 185.6)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#99FDF0 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) | #F4F3F0 | 0.103 |
| Deuteranopia (no green cones) | #E2E6F1 | 0.096 |
| Tritanopia (no blue cones) | #72FFF9 | 0.030 |
| Achromatopsia (no color) | #EBEBEB | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99FDF0
#99FDF0
oklch(92.9% 0.096 185.1)
- #FFDEE4
#FFDEE4
oklch(93% 0.037 5.5)
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 #99FDF0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Aqua #B8FFEB ΔE 0.032
- Light Aqua #8CFFDB ΔE 0.034
- Pale Cyan #B7FFFA ΔE 0.034
- Pale Turquoise #AFEEEE ΔE 0.042
- Duck Egg Blue #C3FBF4 ΔE 0.043
- Robin's Egg Blue #98EFF9 ΔE 0.044
- Robin Egg Blue #8AF1FE ΔE 0.046
- Eggshell Blue #C4FFF7 ΔE 0.046
Use #99FDF0 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.