#B5ECDF
Closest named color: Pale Turquoise (#AFEEEE). oklch(90.2% 0.059 178.8), rgb(181, 236, 223).
Aa
Black text reads best on this color (16.02:1).
About this color
#B5ECDF is a very light, muted teal or cyan. In OKLCH its lightness is 90%, its chroma 0.059 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.020 away. Black text reads best on it, at 16.02:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 16.02:1 |
| White text | 1.31:1 |
Values
| HEX | #B5ECDF |
| RGB | rgb(181, 236, 223) |
| HSL | hsl(166, 59%, 82%) |
| OKLCH | oklch(90.2% 0.059 178.8) |
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 #B5ECDF | 1.31:1 | Fails | Lc -17.6 | Dividers and decoration only |
| Black text on #B5ECDF | 16.02:1 | AAA | Lc 88.3 | Fine for body text |
| #B5ECDF text on white | 1.31:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #B5ECDF text on black | 16.02:1 | AAA | Lc -88.4 | 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
#EFF8F5
oklch(97.2% 0.01 174.3)
-
Step 100
100
#DBEFEA
oklch(93.6% 0.022 179.2)
-
Step 200
200 (this color)
#B5ECDF
oklch(90.2% 0.059 178.8)
-
Step 300
300
#89D1C1
oklch(80.9% 0.076 178.7)
-
Step 400
400
#28B9A2
oklch(70.8% 0.121 178.9)
-
Step 500
500
#00A08A
oklch(63.2% 0.116 178.3)
-
Step 600
600
#008674
oklch(55.5% 0.101 178.9)
-
Step 700
700
#007161
oklch(49.1% 0.09 178.4)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#004D42
oklch(37.6% 0.069 179)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#B5ECDF 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) | #E7E5DE | 0.062 |
| Deuteranopia (no green cones) | #DDDEE0 | 0.059 |
| Tritanopia (no blue cones) | #A6EEE8 | 0.018 |
| Achromatopsia (no color) | #E1E1E1 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5ECDF
#B5ECDF
oklch(90.2% 0.059 178.8)
- #FFD0DE
#FFD0DE
oklch(90.2% 0.056 358.5)
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 #B5ECDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.020
- Powder Blue #B0E0E6 ΔE 0.038
- Robin's Egg Blue #98EFF9 ΔE 0.041
- Diamond #B9F2FF ΔE 0.043
- Pale Sky Blue #BDF6FE ΔE 0.045
- Pale Silver #D8E2DC ΔE 0.046
- Duck Egg Blue #C3FBF4 ΔE 0.047
- Pale Aqua #B8FFEB ΔE 0.049
Use #B5ECDF 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.