#B3EFF0
Closest named color: Pale Turquoise (#AFEEEE). oklch(91.2% 0.06 197.4), rgb(179, 239, 240).
Aa
Black text reads best on this color (16.52:1).
About this color
#B3EFF0 is a very light, muted teal or cyan. In OKLCH its lightness is 91%, its chroma 0.060 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.006 away. Black text reads best on it, at 16.52:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 16.52:1 |
| White text | 1.27:1 |
Values
| HEX | #B3EFF0 |
| RGB | rgb(179, 239, 240) |
| HSL | hsl(181, 67%, 82%) |
| OKLCH | oklch(91.2% 0.06 197.4) |
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 #B3EFF0 | 1.27:1 | Fails | Lc -15.5 | Dividers and decoration only |
| Black text on #B3EFF0 | 16.52:1 | AAA | Lc 90.2 | Preferred for body text |
| #B3EFF0 text on white | 1.27:1 | Fails | Lc 13.4 | Not readable |
| #B3EFF0 text on black | 16.52:1 | AAA | Lc -90.5 | 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
#EEF8F8
oklch(97.2% 0.011 197)
-
Step 100
100 (this color)
#B3EFF0
oklch(91.2% 0.06 197.4)
-
Step 200
200
#B9E2E3
oklch(88.4% 0.043 198.2)
-
Step 300
300
#82D0D2
oklch(80.8% 0.077 197.8)
-
Step 400
400
#00B7BB
oklch(70.7% 0.12 197.6)
-
Step 500
500
#009DA0
oklch(63.1% 0.107 197.2)
-
Step 600
600
#008487
oklch(55.6% 0.095 197.6)
-
Step 700
700
#006F71
oklch(49.1% 0.084 197)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#B3EFF0 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) | #E7E9F0 | 0.063 |
| Deuteranopia (no green cones) | #DBE0F1 | 0.059 |
| Tritanopia (no blue cones) | #9EF3EF | 0.023 |
| Achromatopsia (no color) | #E4E4E4 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3EFF0
#B3EFF0
oklch(91.2% 0.06 197.4)
- #FFD7D7
#FFD7D7
oklch(91.3% 0.045 18)
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 #B3EFF0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.006
- Diamond #B9F2FF ΔE 0.022
- Pale Sky Blue #BDF6FE ΔE 0.027
- Robin's Egg Blue #98EFF9 ΔE 0.029
- Duck Egg Blue #C3FBF4 ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.039
- Robin Egg Blue #8AF1FE ΔE 0.041
- Pale Cyan #B7FFFA ΔE 0.042
Use #B3EFF0 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.