#99F4E5
Closest named color: Pale Turquoise (#AFEEEE). oklch(90.6% 0.09 182.6), rgb(153, 244, 229).
Aa
Black text reads best on this color (16.42:1).
About this color
#99F4E5 is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 91%, its chroma 0.090 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.032 away. Black text reads best on it, at 16.42:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 16.42:1 |
| White text | 1.27:1 |
Values
| HEX | #99F4E5 |
| RGB | rgb(153, 244, 229) |
| HSL | hsl(170, 81%, 78%) |
| OKLCH | oklch(90.6% 0.09 182.6) |
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 #99F4E5 | 1.27:1 | Fails | Lc -15.8 | Dividers and decoration only |
| Black text on #99F4E5 | 16.42:1 | AAA | Lc 89.9 | Fine for body text |
| #99F4E5 text on white | 1.27:1 | Fails | Lc 13.7 | Not readable |
| #99F4E5 text on black | 16.42:1 | AAA | Lc -90.2 | 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 200.
-
Step 50
50
#EBF9F6
oklch(97.1% 0.015 181.8)
-
Step 100
100
#D3F2EC
oklch(93.7% 0.033 182.6)
-
Step 200
200 (this color)
#99F4E5
oklch(90.6% 0.09 182.6)
-
Step 300
300
#59D9C7
oklch(80.9% 0.116 182.6)
-
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
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#99F4E5 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) | #ECEAE4 | 0.096 |
| Deuteranopia (no green cones) | #DCDFE6 | 0.090 |
| Tritanopia (no blue cones) | #79F7EF | 0.027 |
| Achromatopsia (no color) | #E3E3E3 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99F4E5
#99F4E5
oklch(90.6% 0.09 182.6)
- #FFD2DD
#FFD2DD
oklch(90.5% 0.052 1.8)
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 #99F4E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.032
- Robin's Egg Blue #98EFF9 ΔE 0.035
- Light Aqua #8CFFDB ΔE 0.038
- Robin Egg Blue #8AF1FE ΔE 0.039
- Light Turquoise #7EF4CC ΔE 0.045
- Pale Aqua #B8FFEB ΔE 0.046
- Aquamarine #7FFFD4 ΔE 0.049
- Pale Cyan #B7FFFA ΔE 0.051
Use #99F4E5 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.