#B9FDEF
Closest named color: Pale Aqua (#B8FFEB). oklch(94.5% 0.07 180.6), rgb(185, 253, 239).
Aa
Black text reads best on this color (18.35:1).
About this color
#B9FDEF is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 95%, its chroma 0.070 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Aqua (#B8FFEB), ΔE 0.009 away. Black text reads best on it, at 18.35:1.
| Hue family | Teals and cyans |
| Lightness | very light (95%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Pale Aqua (#B8FFEB) |
| Black text | 18.35:1 |
| White text | 1.14:1 |
Values
| HEX | #B9FDEF |
| RGB | rgb(185, 253, 239) |
| HSL | hsl(168, 94%, 86%) |
| OKLCH | oklch(94.5% 0.07 180.6) |
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 #B9FDEF | 1.14:1 | Fails | Lc -7.8 | Not readable |
| Black text on #B9FDEF | 18.35:1 | AAA | Lc 96.9 | Preferred for body text |
| #B9FDEF text on white | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #B9FDEF text on black | 18.35:1 | AAA | Lc -97.9 | 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
#EDF8F6
oklch(97% 0.012 184.1)
-
Step 100
100 (this color)
#B9FDEF
oklch(94.5% 0.07 180.6)
-
Step 200
200
#B6E5DB
oklch(88.6% 0.05 180.7)
-
Step 300
300
#7AD4C3
oklch(80.9% 0.091 180.4)
-
Step 400
400
#00BAA4
oklch(70.7% 0.128 180.3)
-
Step 500
500
#009F8D
oklch(63% 0.114 181)
-
Step 600
600
#008676
oklch(55.6% 0.1 180.5)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#004D43
oklch(37.7% 0.068 180.3)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#B9FDEF 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) | #F7F5EE | 0.075 |
| Deuteranopia (no green cones) | #EBECF0 | 0.071 |
| Tritanopia (no blue cones) | #A6FFF9 | 0.021 |
| Achromatopsia (no color) | #F0F0F0 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9FDEF
#B9FDEF
oklch(94.5% 0.07 180.6)
- #FFE5EC
#FFE5EC
oklch(94.5% 0.03 359.5)
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 #B9FDEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Aqua #B8FFEB ΔE 0.009
- Pale Cyan #B7FFFA ΔE 0.014
- Duck Egg Blue #C3FBF4 ΔE 0.015
- Eggshell Blue #C4FFF7 ΔE 0.017
- Light Light Blue #CAFFFB ΔE 0.026
- Pale Sky Blue #BDF6FE ΔE 0.032
- Pale Blue #D0FEFE ΔE 0.035
- Ice #D6FFFA ΔE 0.038
Use #B9FDEF 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.