#B5E4E9
Closest named color: Powder Blue (#B0E0E6). oklch(88.8% 0.049 204.3), rgb(181, 228, 233).
Aa
Black text reads best on this color (15.23:1).
About this color
#B5E4E9 is a light, muted teal or cyan. In OKLCH its lightness is 89%, its chroma 0.049 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.013 away. Black text reads best on it, at 15.23:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.23:1 |
| White text | 1.37:1 |
Values
| HEX | #B5E4E9 |
| RGB | rgb(181, 228, 233) |
| HSL | hsl(186, 54%, 81%) |
| OKLCH | oklch(88.8% 0.049 204.3) |
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 #B5E4E9 | 1.37:1 | Fails | Lc -21.0 | Dividers and decoration only |
| Black text on #B5E4E9 | 15.23:1 | AAA | Lc 85.3 | Fine for body text |
| #B5E4E9 text on white | 1.37:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #B5E4E9 text on black | 15.23:1 | AAA | Lc -85.1 | 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
#EFF7F8
oklch(97% 0.009 205.9)
-
Step 100
100
#DDEEEF
oklch(93.7% 0.018 201.1)
-
Step 200
200 (this color)
#B5E4E9
oklch(88.8% 0.049 204.3)
-
Step 300
300
#90CDD3
oklch(80.9% 0.063 203.7)
-
Step 400
400
#42B3BE
oklch(70.8% 0.101 204.3)
-
Step 500
500
#009CA8
oklch(63.2% 0.108 204.4)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#B5E4E9 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) | #DDE0E9 | 0.049 |
| Deuteranopia (no green cones) | #D3D8E9 | 0.046 |
| Tritanopia (no blue cones) | #A5E8E5 | 0.022 |
| Achromatopsia (no color) | #DBDBDB | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5E4E9
#B5E4E9
oklch(88.8% 0.049 204.3)
- #F9CECA
#F9CECA
oklch(88.7% 0.049 24.3)
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 #B5E4E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.013
- Pale Turquoise #AFEEEE ΔE 0.025
- Celeste #A8DADC ΔE 0.034
- Light Blue #ADD8E6 ΔE 0.034
- Robin's Egg Blue #98EFF9 ΔE 0.038
- Diamond #B9F2FF ΔE 0.041
- Pale Silver #D8E2DC ΔE 0.043
- Cadet Gray #CED4DA ΔE 0.047
Use #B5E4E9 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.