#99F1FA
Closest named color: Robin's Egg Blue (#98EFF9). oklch(90.6% 0.085 204), rgb(153, 241, 250).
Aa
Black text reads best on this color (16.31:1).
About this color
#99F1FA is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 91%, its chroma 0.085 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.005 away. Black text reads best on it, at 16.31:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 16.31:1 |
| White text | 1.28:1 |
Values
| HEX | #99F1FA |
| RGB | rgb(153, 241, 250) |
| HSL | hsl(186, 91%, 79%) |
| OKLCH | oklch(90.6% 0.085 204) |
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 #99F1FA | 1.28:1 | Fails | Lc -16.3 | Dividers and decoration only |
| Black text on #99F1FA | 16.31:1 | AAA | Lc 89.5 | Fine for body text |
| #99F1FA text on white | 1.28:1 | Fails | Lc 14.1 | Not readable |
| #99F1FA text on black | 16.31:1 | AAA | Lc -89.7 | Fine 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
#EBF9FA
oklch(97.2% 0.015 202.1)
-
Step 100
100
#D2F1F4
oklch(93.7% 0.033 203.7)
-
Step 200
200 (this color)
#99F1FA
oklch(90.6% 0.085 204)
-
Step 300
300
#5AD5E1
oklch(80.9% 0.11 204.1)
-
Step 400
400
#00B6C3
oklch(70.8% 0.121 203.9)
-
Step 500
500
#009CA7
oklch(63.1% 0.108 203.6)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#99F1FA 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) | #E4EAFB | 0.085 |
| Deuteranopia (no green cones) | #D4DDFA | 0.080 |
| Tritanopia (no blue cones) | #70F8F3 | 0.040 |
| Achromatopsia (no color) | #E3E3E3 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99F1FA
#99F1FA
oklch(90.6% 0.085 204)
- #FFD4D0
#FFD4D0
oklch(90.5% 0.049 24.3)
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 #99F1FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.005
- Robin Egg Blue #8AF1FE ΔE 0.014
- Pale Turquoise #AFEEEE ΔE 0.024
- Diamond #B9F2FF ΔE 0.035
- Robin's Egg #6DEDFD ΔE 0.039
- Pale Sky Blue #BDF6FE ΔE 0.041
- Powder Blue #B0E0E6 ΔE 0.047
- Pale Cyan #B7FFFA ΔE 0.051
Use #99F1FA 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.