#B1F5FC
Closest named color: Diamond (#B9F2FF). oklch(92.7% 0.068 204.1), rgb(177, 245, 252).
Aa
Black text reads best on this color (17.33:1).
About this color
#B1F5FC is a very light, muted teal or cyan. In OKLCH its lightness is 93%, its chroma 0.068 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.013 away. Black text reads best on it, at 17.33:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 17.33:1 |
| White text | 1.21:1 |
Values
| HEX | #B1F5FC |
| RGB | rgb(177, 245, 252) |
| HSL | hsl(186, 93%, 84%) |
| OKLCH | oklch(92.7% 0.068 204.1) |
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 #B1F5FC | 1.21:1 | Fails | Lc -12.0 | Not readable |
| Black text on #B1F5FC | 17.33:1 | AAA | Lc 93.2 | Preferred for body text |
| #B1F5FC text on white | 1.21:1 | Fails | Lc 10.3 | Not readable |
| #B1F5FC text on black | 17.33:1 | AAA | Lc -93.8 | 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
#EDF8F9
oklch(97.1% 0.012 203.5)
-
Step 100
100 (this color)
#B1F5FC
oklch(92.7% 0.068 204.1)
-
Step 200
200
#B4E3E8
oklch(88.5% 0.049 204.3)
-
Step 300
300
#77D1DB
oklch(80.8% 0.087 204.9)
-
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)
#B1F5FC 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) | #EBEFFD | 0.069 |
| Deuteranopia (no green cones) | #DDE5FC | 0.063 |
| Tritanopia (no blue cones) | #97FAF7 | 0.030 |
| Achromatopsia (no color) | #E9E9E9 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1F5FC
#B1F5FC
oklch(92.7% 0.068 204.1)
- #FFDEDB
#FFDEDB
oklch(92.7% 0.037 24)
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 #B1F5FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.013
- Pale Sky Blue #BDF6FE ΔE 0.014
- Pale Turquoise #AFEEEE ΔE 0.023
- Pale Cyan #B7FFFA ΔE 0.029
- Duck Egg Blue #C3FBF4 ΔE 0.030
- Robin's Egg Blue #98EFF9 ΔE 0.032
- Eggshell Blue #C4FFF7 ΔE 0.037
- Robin Egg Blue #8AF1FE ΔE 0.040
Use #B1F5FC 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.