#99FEF0
Closest named color: Pale Aqua (#B8FFEB). oklch(93.1% 0.097 184.4), rgb(153, 254, 240).
Aa
Black text reads best on this color (17.78:1).
About this color
#99FEF0 is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 93%, its chroma 0.097 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Aqua (#B8FFEB), ΔE 0.031 away. Black text reads best on it, at 17.78:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Pale Aqua (#B8FFEB) |
| Black text | 17.78:1 |
| White text | 1.18:1 |
Values
| HEX | #99FEF0 |
| RGB | rgb(153, 254, 240) |
| HSL | hsl(172, 98%, 80%) |
| OKLCH | oklch(93.1% 0.097 184.4) |
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 #99FEF0 | 1.18:1 | Fails | Lc -10.0 | Not readable |
| Black text on #99FEF0 | 17.78:1 | AAA | Lc 95.0 | Preferred for body text |
| #99FEF0 text on white | 1.18:1 | Fails | Lc 8.6 | Not readable |
| #99FEF0 text on black | 17.78:1 | AAA | Lc -95.7 | 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)
#99FEF0
oklch(93.1% 0.097 184.4)
-
Step 200
200
#A5E9DE
oklch(88.6% 0.07 183.6)
-
Step 300
300
#47DBCA
oklch(81% 0.126 184)
-
Step 400
400
#00B9AA
oklch(70.6% 0.125 184.7)
-
Step 500
500
#009F92
oklch(63.2% 0.111 184.7)
-
Step 600
600
#00867A
oklch(55.7% 0.099 183.9)
-
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)
#99FEF0 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) | #F5F4F0 | 0.104 |
| Deuteranopia (no green cones) | #E3E7F1 | 0.097 |
| Tritanopia (no blue cones) | #72FFF9 | 0.030 |
| Achromatopsia (no color) | #ECECEC | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99FEF0
#99FEF0
oklch(93.1% 0.097 184.4)
- #FFDFE5
#FFDFE5
oklch(93.2% 0.036 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 #99FEF0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Aqua #B8FFEB ΔE 0.031
- Light Aqua #8CFFDB ΔE 0.033
- Pale Cyan #B7FFFA ΔE 0.034
- Duck Egg Blue #C3FBF4 ΔE 0.044
- Pale Turquoise #AFEEEE ΔE 0.045
- Eggshell Blue #C4FFF7 ΔE 0.046
- Robin's Egg Blue #98EFF9 ΔE 0.046
- Aquamarine #7FFFD4 ΔE 0.048
Use #99FEF0 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.