#B9ECDF
Closest named color: Pale Turquoise (#AFEEEE). oklch(90.4% 0.055 177.7), rgb(185, 236, 223).
Aa
Black text reads best on this color (16.12:1).
About this color
#B9ECDF is a very light, muted teal or cyan. In OKLCH its lightness is 90%, its chroma 0.055 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.021 away. Black text reads best on it, at 16.12:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 16.12:1 |
| White text | 1.30:1 |
Values
| HEX | #B9ECDF |
| RGB | rgb(185, 236, 223) |
| HSL | hsl(165, 57%, 83%) |
| OKLCH | oklch(90.4% 0.055 177.7) |
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 #B9ECDF | 1.30:1 | Fails | Lc -17.2 | Dividers and decoration only |
| Black text on #B9ECDF | 16.12:1 | AAA | Lc 88.7 | Fine for body text |
| #B9ECDF text on white | 1.30:1 | Fails | Lc 14.9 | Not readable |
| #B9ECDF text on black | 16.12:1 | AAA | Lc -88.8 | 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
#EFF8F5
oklch(97.2% 0.01 174.3)
-
Step 100
100
#DCEFEA
oklch(93.7% 0.021 178.3)
-
Step 200
200 (this color)
#B9ECDF
oklch(90.4% 0.055 177.7)
-
Step 300
300
#8ED0C0
oklch(80.9% 0.071 177.6)
-
Step 400
400
#3BB7A0
oklch(70.6% 0.113 177.9)
-
Step 500
500
#00A089
oklch(63.1% 0.116 177.6)
-
Step 600
600
#008673
oklch(55.5% 0.102 178.1)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4F
oklch(42.8% 0.079 177.8)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#B9ECDF 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) | #E8E6DE | 0.058 |
| Deuteranopia (no green cones) | #DEDFE0 | 0.055 |
| Tritanopia (no blue cones) | #ACEEE8 | 0.017 |
| Achromatopsia (no color) | #E1E1E1 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9ECDF
#B9ECDF
oklch(90.4% 0.055 177.7)
- #FFD1DF
#FFD1DF
oklch(90.4% 0.055 358.1)
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 #B9ECDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.021
- Powder Blue #B0E0E6 ΔE 0.039
- Diamond #B9F2FF ΔE 0.042
- Pale Silver #D8E2DC ΔE 0.043
- Pale Sky Blue #BDF6FE ΔE 0.044
- Robin's Egg Blue #98EFF9 ΔE 0.044
- Duck Egg Blue #C3FBF4 ΔE 0.045
- Pale Aqua #B8FFEB ΔE 0.048
Use #B9ECDF 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.