#B3EFFD
Closest named color: Diamond (#B9F2FF). oklch(91.6% 0.063 213.7), rgb(179, 239, 253).
Aa
Black text reads best on this color (16.68:1).
About this color
#B3EFFD is a very light, muted teal or cyan. In OKLCH its lightness is 92%, its chroma 0.063 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.011 away. Black text reads best on it, at 16.68:1.
| Hue family | Teals and cyans |
| Lightness | very light (92%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.68:1 |
| White text | 1.25:1 |
Values
| HEX | #B3EFFD |
| RGB | rgb(179, 239, 253) |
| HSL | hsl(191, 95%, 85%) |
| OKLCH | oklch(91.6% 0.063 213.7) |
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 #B3EFFD | 1.25:1 | Fails | Lc -14.8 | Not readable |
| Black text on #B3EFFD | 16.68:1 | AAA | Lc 90.8 | Preferred for body text |
| #B3EFFD text on white | 1.25:1 | Fails | Lc 12.8 | Not readable |
| #B3EFFD text on black | 16.68:1 | AAA | Lc -91.1 | 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
#EEF8FA
oklch(97.2% 0.011 211)
-
Step 100
100 (this color)
#B3EFFD
oklch(91.6% 0.063 213.7)
-
Step 200
200
#B8E2EB
oklch(88.6% 0.045 212.2)
-
Step 300
300
#80CFE0
oklch(81% 0.081 212.9)
-
Step 400
400
#00B4CF
oklch(70.8% 0.124 213.4)
-
Step 500
500
#009AB2
oklch(63.1% 0.111 213.9)
-
Step 600
600
#008196
oklch(55.5% 0.098 214.4)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#B3EFFD 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) | #E4EBFE | 0.059 |
| Deuteranopia (no green cones) | #D8E1FD | 0.054 |
| Tritanopia (no blue cones) | #9AF5F3 | 0.035 |
| Achromatopsia (no color) | #E5E5E5 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3EFFD
#B3EFFD
oklch(91.6% 0.063 213.7)
- #FFDAD1
#FFDAD1
oklch(91.7% 0.043 33.9)
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 #B3EFFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.011
- Pale Turquoise #AFEEEE ΔE 0.021
- Pale Sky Blue #BDF6FE ΔE 0.023
- Robin's Egg Blue #98EFF9 ΔE 0.029
- Robin Egg Blue #8AF1FE ΔE 0.039
- Duck Egg Blue #C3FBF4 ΔE 0.043
- Powder Blue #B0E0E6 ΔE 0.044
- Pale Cyan #B7FFFA ΔE 0.045
Use #B3EFFD 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.