#91F9FE
Closest named color: Robin Egg Blue (#8AF1FE). oklch(92.1% 0.097 199.6), rgb(145, 249, 254).
Aa
Black text reads best on this color (17.18:1).
About this color
#91F9FE is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 92%, its chroma 0.097 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Robin Egg Blue (#8AF1FE), ΔE 0.023 away. Black text reads best on it, at 17.18:1.
| Hue family | Teals and cyans |
| Lightness | very light (92%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Robin Egg Blue (#8AF1FE) |
| Black text | 17.18:1 |
| White text | 1.22:1 |
Values
| HEX | #91F9FE |
| RGB | rgb(145, 249, 254) |
| HSL | hsl(183, 98%, 78%) |
| OKLCH | oklch(92.1% 0.097 199.6) |
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 #91F9FE | 1.22:1 | Fails | Lc -12.5 | Not readable |
| Black text on #91F9FE | 17.18:1 | AAA | Lc 92.8 | Preferred for body text |
| #91F9FE text on white | 1.22:1 | Fails | Lc 10.8 | Not readable |
| #91F9FE text on black | 17.18:1 | AAA | Lc -93.3 | 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
#E9F9FA
oklch(97.1% 0.017 201.4)
-
Step 100
100 (this color)
#91F9FE
oklch(92.1% 0.097 199.6)
-
Step 200
200
#A2E8EB
oklch(88.6% 0.07 199.3)
-
Step 300
300
#3CD9E0
oklch(81% 0.125 199.5)
-
Step 400
400
#00B7BD
oklch(70.8% 0.12 199)
-
Step 500
500
#009DA3
oklch(63.2% 0.108 199.6)
-
Step 600
600
#008489
oklch(55.7% 0.095 199.5)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4F
oklch(37.8% 0.064 199.4)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#91F9FE 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) | #ECF1FF | 0.100 |
| Deuteranopia (no green cones) | #D9E2FF | 0.094 |
| Tritanopia (no blue cones) | #5BFFFA | 0.040 |
| Achromatopsia (no color) | #E8E8E8 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91F9FE
#91F9FE
oklch(92.1% 0.097 199.6)
- #FFDBDA
#FFDBDA
oklch(92.1% 0.04 19.8)
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 #91F9FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin Egg Blue #8AF1FE ΔE 0.023
- Robin's Egg Blue #98EFF9 ΔE 0.025
- Pale Turquoise #AFEEEE ΔE 0.037
- Diamond #B9F2FF ΔE 0.042
- Pale Cyan #B7FFFA ΔE 0.042
- Pale Sky Blue #BDF6FE ΔE 0.043
- Robin's Egg #6DEDFD ΔE 0.046
- Bright Cyan #41FDFE ΔE 0.049
Use #91F9FE 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.