#B5ECEF
Closest named color: Pale Turquoise (#AFEEEE). oklch(90.6% 0.056 200.4), rgb(181, 236, 239).
Aa
Black text reads best on this color (16.20:1).
About this color
#B5ECEF is a very light, muted teal or cyan. In OKLCH its lightness is 91%, its chroma 0.056 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.009 away. Black text reads best on it, at 16.20:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 16.20:1 |
| White text | 1.29:1 |
Values
| HEX | #B5ECEF |
| RGB | rgb(181, 236, 239) |
| HSL | hsl(183, 64%, 82%) |
| OKLCH | oklch(90.6% 0.056 200.4) |
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 #B5ECEF | 1.29:1 | Fails | Lc -16.8 | Dividers and decoration only |
| Black text on #B5ECEF | 16.20:1 | AAA | Lc 89.0 | Fine for body text |
| #B5ECEF text on white | 1.29:1 | Fails | Lc 14.6 | Not readable |
| #B5ECEF text on black | 16.20:1 | AAA | Lc -89.2 | 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
#EEF8F8
oklch(97.2% 0.011 197)
-
Step 100
100
#DBEEEF
oklch(93.5% 0.02 200.6)
-
Step 200
200 (this color)
#B5ECEF
oklch(90.6% 0.056 200.4)
-
Step 300
300
#87CFD3
oklch(80.9% 0.072 200.3)
-
Step 400
400
#1FB6BD
oklch(70.8% 0.115 200)
-
Step 500
500
#009CA3
oklch(63% 0.107 200.4)
-
Step 600
600
#008389
oklch(55.5% 0.094 200.5)
-
Step 700
700
#006F74
oklch(49.2% 0.084 200.3)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004B4F
oklch(37.5% 0.064 200.9)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#B5ECEF 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) | #E4E7EF | 0.057 |
| Deuteranopia (no green cones) | #D9DFEF | 0.052 |
| Tritanopia (no blue cones) | #A2F0ED | 0.023 |
| Achromatopsia (no color) | #E2E2E2 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5ECEF
#B5ECEF
oklch(90.6% 0.056 200.4)
- #FFD4D3
#FFD4D3
oklch(90.6% 0.048 19.7)
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 #B5ECEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.009
- Diamond #B9F2FF ΔE 0.024
- Robin's Egg Blue #98EFF9 ΔE 0.030
- Pale Sky Blue #BDF6FE ΔE 0.031
- Powder Blue #B0E0E6 ΔE 0.032
- Robin Egg Blue #8AF1FE ΔE 0.043
- Duck Egg Blue #C3FBF4 ΔE 0.044
- Pale Silver #D8E2DC ΔE 0.047
Use #B5ECEF 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.