#B1EFFC
Closest named color: Diamond (#B9F2FF). oklch(91.5% 0.065 212), rgb(177, 239, 252).
Aa
Black text reads best on this color (16.62:1).
About this color
#B1EFFC is a very light, muted teal or cyan. In OKLCH its lightness is 91%, its chroma 0.065 and its hue 212°. 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 16.62:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.62:1 |
| White text | 1.26:1 |
Values
| HEX | #B1EFFC |
| RGB | rgb(177, 239, 252) |
| HSL | hsl(190, 93%, 84%) |
| OKLCH | oklch(91.5% 0.065 212) |
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 #B1EFFC | 1.26:1 | Fails | Lc -15.0 | Dividers and decoration only |
| Black text on #B1EFFC | 16.62:1 | AAA | Lc 90.6 | Preferred for body text |
| #B1EFFC text on white | 1.26:1 | Fails | Lc 13.0 | Not readable |
| #B1EFFC text on black | 16.62:1 | AAA | Lc -90.9 | 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
#EEF8FA
oklch(97.2% 0.011 211)
-
Step 100
100 (this color)
#B1EFFC
oklch(91.5% 0.065 212)
-
Step 200
200
#B7E2EB
oklch(88.5% 0.046 211.8)
-
Step 300
300
#7DCFE0
oklch(80.8% 0.083 212.4)
-
Step 400
400
#00B4CD
oklch(70.7% 0.123 212.1)
-
Step 500
500
#009AB0
oklch(63% 0.11 212.4)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#B1EFFC 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) | #E4EAFD | 0.061 |
| Deuteranopia (no green cones) | #D7E1FC | 0.055 |
| Tritanopia (no blue cones) | #97F5F3 | 0.035 |
| Achromatopsia (no color) | #E5E5E5 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1EFFC
#B1EFFC
oklch(91.5% 0.065 212)
- #FFD9D1
#FFD9D1
oklch(91.5% 0.044 31.9)
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 #B1EFFC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.013
- Pale Turquoise #AFEEEE ΔE 0.019
- Pale Sky Blue #BDF6FE ΔE 0.024
- Robin's Egg Blue #98EFF9 ΔE 0.026
- Robin Egg Blue #8AF1FE ΔE 0.037
- Powder Blue #B0E0E6 ΔE 0.043
- Duck Egg Blue #C3FBF4 ΔE 0.043
- Pale Cyan #B7FFFA ΔE 0.045
Use #B1EFFC 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.