#B4E9FD
Closest named color: Diamond (#B9F2FF). oklch(90.4% 0.061 223), rgb(180, 233, 253).
Aa
Black text reads best on this color (16.01:1).
About this color
#B4E9FD is a very light, muted teal or cyan. In OKLCH its lightness is 90%, its chroma 0.061 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.025 away. Black text reads best on it, at 16.01:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.01:1 |
| White text | 1.31:1 |
Values
| HEX | #B4E9FD |
| RGB | rgb(180, 233, 253) |
| HSL | hsl(196, 95%, 85%) |
| OKLCH | oklch(90.4% 0.061 223) |
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 #B4E9FD | 1.31:1 | Fails | Lc -17.7 | Dividers and decoration only |
| Black text on #B4E9FD | 16.01:1 | AAA | Lc 88.3 | Fine for body text |
| #B4E9FD text on white | 1.31:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #B4E9FD text on black | 16.01:1 | AAA | Lc -88.4 | Fine 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 200.
-
Step 50
50
#EEF7FB
oklch(97.1% 0.011 226)
-
Step 100
100
#DBEEF5
oklch(93.7% 0.022 221.8)
-
Step 200
200 (this color)
#B4E9FD
oklch(90.4% 0.061 223)
-
Step 300
300
#87CCE5
oklch(80.8% 0.078 222.8)
-
Step 400
400
#23B1D9
oklch(70.8% 0.125 222.9)
-
Step 500
500
#0098BD
oklch(63.1% 0.118 223.1)
-
Step 600
600
#00809F
oklch(55.6% 0.103 222.6)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#00495D
oklch(37.7% 0.071 223.8)
-
Step 950
950
#002B38
oklch(26.8% 0.05 223.6)
#B4E9FD 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) | #DDE6FE | 0.049 |
| Deuteranopia (no green cones) | #D2DDFD | 0.045 |
| Tritanopia (no blue cones) | #9DF0EF | 0.040 |
| Achromatopsia (no color) | #E1E1E1 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4E9FD
#B4E9FD
oklch(90.4% 0.061 223)
- #FFD5C4
#FFD5C4
oklch(90.4% 0.053 43.2)
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 #B4E9FD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.025
- Pale Turquoise #AFEEEE ΔE 0.029
- Robin's Egg Blue #98EFF9 ΔE 0.033
- Powder Blue #B0E0E6 ΔE 0.035
- Pale Sky Blue #BDF6FE ΔE 0.037
- Robin Egg Blue #8AF1FE ΔE 0.044
- Light Blue #ADD8E6 ΔE 0.049
- Celeste #A8DADC ΔE 0.056
Use #B4E9FD 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.