#B5EFDD
Closest named color: Pale Turquoise (#AFEEEE). oklch(90.8% 0.064 173.8), rgb(181, 239, 221).
Aa
Black text reads best on this color (16.35:1).
About this color
#B5EFDD is a very light, muted teal or cyan. In OKLCH its lightness is 91%, its chroma 0.064 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.025 away. Black text reads best on it, at 16.35:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 16.35:1 |
| White text | 1.28:1 |
Values
| HEX | #B5EFDD |
| RGB | rgb(181, 239, 221) |
| HSL | hsl(161, 64%, 82%) |
| OKLCH | oklch(90.8% 0.064 173.8) |
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 #B5EFDD | 1.28:1 | Fails | Lc -16.2 | Dividers and decoration only |
| Black text on #B5EFDD | 16.35:1 | AAA | Lc 89.6 | Fine for body text |
| #B5EFDD text on white | 1.28:1 | Fails | Lc 14.0 | Not readable |
| #B5EFDD text on black | 16.35:1 | AAA | Lc -89.8 | 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
#EEF8F5
oklch(97.1% 0.011 176.3)
-
Step 100
100
#DBEFE8
oklch(93.5% 0.023 172.8)
-
Step 200
200 (this color)
#B5EFDD
oklch(90.8% 0.064 173.8)
-
Step 300
300
#87D2BC
oklch(80.8% 0.081 173.7)
-
Step 400
400
#17BB9A
oklch(70.8% 0.132 173.6)
-
Step 500
500
#00A184
oklch(63.2% 0.121 173.8)
-
Step 600
600
#00876E
oklch(55.6% 0.106 173.6)
-
Step 700
700
#00725C
oklch(49.2% 0.094 173.1)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#004E3E
oklch(37.8% 0.073 172.9)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#B5EFDD 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) | #EBE8DC | 0.067 |
| Deuteranopia (no green cones) | #E0E0DE | 0.063 |
| Tritanopia (no blue cones) | #A7F0E9 | 0.020 |
| Achromatopsia (no color) | #E3E3E3 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5EFDD
#B5EFDD
oklch(90.8% 0.064 173.8)
- #FFD2E3
#FFD2E3
oklch(90.7% 0.055 353.6)
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 #B5EFDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.025
- Pale Aqua #B8FFEB ΔE 0.042
- Duck Egg Blue #C3FBF4 ΔE 0.043
- Robin's Egg Blue #98EFF9 ΔE 0.045
- Pale Sky Blue #BDF6FE ΔE 0.046
- Diamond #B9F2FF ΔE 0.046
- Tea Green #CAE7B9 ΔE 0.047
- Powder Blue #B0E0E6 ΔE 0.047
Use #B5EFDD 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.