#B5E9FF
Closest named color: Diamond (#B9F2FF). oklch(90.5% 0.061 225.7), rgb(181, 233, 255).
Aa
Black text reads best on this color (16.06:1).
About this color
#B5E9FF is a very light, muted teal or cyan. In OKLCH its lightness is 91%, its chroma 0.061 and its hue 226°. 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 16.06:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.06:1 |
| White text | 1.30:1 |
Values
| HEX | #B5E9FF |
| RGB | rgb(181, 233, 255) |
| HSL | hsl(198, 100%, 85%) |
| OKLCH | oklch(90.5% 0.061 225.7) |
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 #B5E9FF | 1.30:1 | Fails | Lc -17.4 | Dividers and decoration only |
| Black text on #B5E9FF | 16.06:1 | AAA | Lc 88.5 | Fine for body text |
| #B5E9FF text on white | 1.30:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #B5E9FF text on black | 16.06:1 | AAA | Lc -88.6 | 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
#DBEDF6
oklch(93.5% 0.023 229.1)
-
Step 200
200 (this color)
#B5E9FF
oklch(90.5% 0.061 225.7)
-
Step 300
300
#88CCE7
oklch(80.9% 0.078 225)
-
Step 400
400
#28B0DC
oklch(70.7% 0.126 225.7)
-
Step 500
500
#0097C0
oklch(63% 0.12 225.7)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005871
oklch(42.8% 0.081 225.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#B5E9FF 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) | #DDE6FF | 0.048 |
| Deuteranopia (no green cones) | #D2DDFF | 0.044 |
| Tritanopia (no blue cones) | #9DF0F0 | 0.041 |
| Achromatopsia (no color) | #E1E1E1 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5E9FF
#B5E9FF
oklch(90.5% 0.061 225.7)
- #FFD6C3
#FFD6C3
oklch(90.6% 0.053 46.3)
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 #B5E9FF, 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 0.032
- Robin's Egg Blue #98EFF9 ΔE 0.035
- Pale Sky Blue #BDF6FE ΔE 0.037
- Powder Blue #B0E0E6 ΔE 0.037
- Robin Egg Blue #8AF1FE ΔE 0.045
- Light Blue #ADD8E6 ΔE 0.051
- Pale Silver #D8E2DC ΔE 0.057
Use #B5E9FF 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.