#B1EFDB
Closest named color: Pale Turquoise (#AFEEEE). oklch(90.5% 0.068 172.8), rgb(177, 239, 219).
Aa
Black text reads best on this color (16.23:1).
About this color
#B1EFDB is a very light, muted teal or cyan. In OKLCH its lightness is 90%, its chroma 0.068 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.027 away. Black text reads best on it, at 16.23:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 16.23:1 |
| White text | 1.29:1 |
Values
| HEX | #B1EFDB |
| RGB | rgb(177, 239, 219) |
| HSL | hsl(161, 66%, 82%) |
| OKLCH | oklch(90.5% 0.068 172.8) |
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 #B1EFDB | 1.29:1 | Fails | Lc -16.7 | Dividers and decoration only |
| Black text on #B1EFDB | 16.23:1 | AAA | Lc 89.1 | Fine for body text |
| #B1EFDB text on white | 1.29:1 | Fails | Lc 14.5 | Not readable |
| #B1EFDB text on black | 16.23:1 | AAA | Lc -89.3 | 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
#DAF0E8
oklch(93.7% 0.025 171.9)
-
Step 200
200 (this color)
#B1EFDB
oklch(90.5% 0.068 172.8)
-
Step 300
300
#82D3BB
oklch(80.8% 0.087 173.2)
-
Step 400
400
#00BB98
oklch(70.6% 0.136 172.9)
-
Step 500
500
#00A182
oklch(63.2% 0.122 172.6)
-
Step 600
600
#00876D
oklch(55.6% 0.107 172.9)
-
Step 700
700
#00725B
oklch(49.2% 0.095 172.3)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3E
oklch(37.8% 0.073 172.9)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#B1EFDB 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) | #EBE7DA | 0.071 |
| Deuteranopia (no green cones) | #E0DFDC | 0.068 |
| Tritanopia (no blue cones) | #A2F0E9 | 0.022 |
| Achromatopsia (no color) | #E2E2E2 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1EFDB
#B1EFDB
oklch(90.5% 0.068 172.8)
- #FFD1E3
#FFD1E3
oklch(90.5% 0.056 352.8)
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 #B1EFDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.027
- Pale Aqua #B8FFEB ΔE 0.044
- Robin's Egg Blue #98EFF9 ΔE 0.046
- Tea Green #CAE7B9 ΔE 0.047
- Duck Egg Blue #C3FBF4 ΔE 0.047
- Powder Blue #B0E0E6 ΔE 0.048
- Diamond #B9F2FF ΔE 0.050
- Pale Sky Blue #BDF6FE ΔE 0.050
Use #B1EFDB 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.