#B5EFE9
Closest named color: Pale Turquoise (#AFEEEE). oklch(91.1% 0.059 188.3), rgb(181, 239, 233).
Aa
Black text reads best on this color (16.48:1).
About this color
#B5EFE9 is a very light, muted teal or cyan. In OKLCH its lightness is 91%, its chroma 0.059 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.010 away. Black text reads best on it, at 16.48:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 16.48:1 |
| White text | 1.27:1 |
Values
| HEX | #B5EFE9 |
| RGB | rgb(181, 239, 233) |
| HSL | hsl(174, 64%, 82%) |
| OKLCH | oklch(91.1% 0.059 188.3) |
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 #B5EFE9 | 1.27:1 | Fails | Lc -15.6 | Dividers and decoration only |
| Black text on #B5EFE9 | 16.48:1 | AAA | Lc 90.1 | Preferred for body text |
| #B5EFE9 text on white | 1.27:1 | Fails | Lc 13.5 | Not readable |
| #B5EFE9 text on black | 16.48:1 | AAA | Lc -90.3 | 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
#EEF8F7
oklch(97.1% 0.011 189.8)
-
Step 100
100 (this color)
#B5EFE9
oklch(91.1% 0.059 188.3)
-
Step 200
200
#BAE3DE
oklch(88.5% 0.043 187.3)
-
Step 300
300
#85D1CA
oklch(80.9% 0.076 188.4)
-
Step 400
400
#08B8AF
oklch(70.6% 0.122 188.6)
-
Step 500
500
#009E96
oklch(63% 0.109 188.5)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C48
oklch(37.6% 0.065 188.7)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#B5EFE9 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) | #E9E9E9 | 0.064 |
| Deuteranopia (no green cones) | #DEE0EA | 0.061 |
| Tritanopia (no blue cones) | #A3F2ED | 0.019 |
| Achromatopsia (no color) | #E4E4E4 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5EFE9
#B5EFE9
oklch(91.1% 0.059 188.3)
- #FFD5DB
#FFD5DB
oklch(91% 0.048 8.4)
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 #B5EFE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.010
- Diamond #B9F2FF ΔE 0.030
- Pale Sky Blue #BDF6FE ΔE 0.032
- Robin's Egg Blue #98EFF9 ΔE 0.035
- Duck Egg Blue #C3FBF4 ΔE 0.037
- Powder Blue #B0E0E6 ΔE 0.041
- Pale Cyan #B7FFFA ΔE 0.042
- Pale Aqua #B8FFEB ΔE 0.043
Use #B5EFE9 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.