#B9F2FB
Closest named color: Diamond (#B9F2FF). oklch(92.5% 0.059 208.2), rgb(185, 242, 251).
Aa
Black text reads best on this color (17.15:1).
About this color
#B9F2FB is a very light, muted teal or cyan. In OKLCH its lightness is 93%, its chroma 0.059 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.006 away. Black text reads best on it, at 17.15:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 17.15:1 |
| White text | 1.22:1 |
Values
| HEX | #B9F2FB |
| RGB | rgb(185, 242, 251) |
| HSL | hsl(188, 89%, 85%) |
| OKLCH | oklch(92.5% 0.059 208.2) |
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 #B9F2FB | 1.22:1 | Fails | Lc -12.8 | Not readable |
| Black text on #B9F2FB | 17.15:1 | AAA | Lc 92.6 | Preferred for body text |
| #B9F2FB text on white | 1.22:1 | Fails | Lc 11.0 | Not readable |
| #B9F2FB text on black | 17.15:1 | AAA | Lc -93.1 | 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
#EEF7F9
oklch(97% 0.01 212.5)
-
Step 100
100 (this color)
#B9F2FB
oklch(92.5% 0.059 208.2)
-
Step 200
200
#BAE1E8
oklch(88.4% 0.042 209.7)
-
Step 300
300
#84CFDA
oklch(80.9% 0.076 207.6)
-
Step 400
400
#05B5C8
oklch(70.7% 0.121 208.1)
-
Step 500
500
#009BAC
oklch(63.1% 0.109 208.4)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C32
oklch(26.8% 0.046 208.8)
#B9F2FB 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) | #E8EDFC | 0.057 |
| Deuteranopia (no green cones) | #DDE4FB | 0.054 |
| Tritanopia (no blue cones) | #A3F7F5 | 0.029 |
| Achromatopsia (no color) | #E8E8E8 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9F2FB
#B9F2FB
oklch(92.5% 0.059 208.2)
- #FFDDD8
#FFDDD8
oklch(92.4% 0.039 27.8)
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 #B9F2FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.006
- Pale Sky Blue #BDF6FE ΔE 0.012
- Pale Turquoise #AFEEEE ΔE 0.023
- Duck Egg Blue #C3FBF4 ΔE 0.031
- Pale Cyan #B7FFFA ΔE 0.035
- Robin's Egg Blue #98EFF9 ΔE 0.036
- Eggshell Blue #C4FFF7 ΔE 0.040
- Light Light Blue #CAFFFB ΔE 0.041
Use #B9F2FB 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.