#B4FDFF
Closest named color: Pale Cyan (#B7FFFA). oklch(94.7% 0.072 198.2), rgb(180, 253, 255).
Aa
Black text reads best on this color (18.43:1).
About this color
#B4FDFF is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 95%, its chroma 0.072 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Cyan (#B7FFFA), ΔE 0.010 away. Black text reads best on it, at 18.43:1.
| Hue family | Teals and cyans |
| Lightness | very light (95%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Pale Cyan (#B7FFFA) |
| Black text | 18.43:1 |
| White text | 1.13:1 |
Values
| HEX | #B4FDFF |
| RGB | rgb(180, 253, 255) |
| HSL | hsl(182, 100%, 85%) |
| OKLCH | oklch(94.7% 0.072 198.2) |
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 #B4FDFF | 1.13:1 | Fails | Lc -7.5 | Not readable |
| Black text on #B4FDFF | 18.43:1 | AAA | Lc 97.2 | Preferred for body text |
| #B4FDFF text on white | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #B4FDFF text on black | 18.43:1 | AAA | Lc -98.2 | 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
#EDF8F8
oklch(97.1% 0.012 197)
-
Step 100
100 (this color)
#B4FDFF
oklch(94.7% 0.072 198.2)
-
Step 200
200
#B2E4E5
oklch(88.5% 0.051 197.8)
-
Step 300
300
#71D3D6
oklch(80.9% 0.093 198.1)
-
Step 400
400
#00B7BC
oklch(70.8% 0.12 198.3)
-
Step 500
500
#009DA1
oklch(63.2% 0.107 198)
-
Step 600
600
#008487
oklch(55.6% 0.095 197.6)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#B4FDFF 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) | #F3F6FF | 0.074 |
| Deuteranopia (no green cones) | #E5ECFF | 0.068 |
| Tritanopia (no blue cones) | #99FFFD | 0.027 |
| Achromatopsia (no color) | #F0F0F0 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4FDFF
#B4FDFF
oklch(94.7% 0.072 198.2)
- #FFE7E7
#FFE7E7
oklch(94.7% 0.026 17.6)
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 #B4FDFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Cyan #B7FFFA ΔE 0.010
- Duck Egg Blue #C3FBF4 ΔE 0.019
- Pale Sky Blue #BDF6FE ΔE 0.019
- Eggshell Blue #C4FFF7 ΔE 0.021
- Light Light Blue #CAFFFB ΔE 0.025
- Diamond #B9F2FF ΔE 0.029
- Pale Aqua #B8FFEB ΔE 0.029
- Pale Blue #D0FEFE ΔE 0.031
Use #B4FDFF 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.