#BBF4EC
Closest named color: Duck Egg Blue (#C3FBF4). oklch(92.6% 0.059 185.6), rgb(187, 244, 236).
Aa
Black text reads best on this color (17.26:1).
About this color
#BBF4EC is a very light, muted teal or cyan. In OKLCH its lightness is 93%, its chroma 0.059 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.022 away. Black text reads best on it, at 17.26:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.26:1 |
| White text | 1.21:1 |
Values
| HEX | #BBF4EC |
| RGB | rgb(187, 244, 236) |
| HSL | hsl(172, 72%, 85%) |
| OKLCH | oklch(92.6% 0.059 185.6) |
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 #BBF4EC | 1.21:1 | Fails | Lc -12.3 | Not readable |
| Black text on #BBF4EC | 17.26:1 | AAA | Lc 93.0 | Preferred for body text |
| #BBF4EC text on white | 1.21:1 | Fails | Lc 10.6 | Not readable |
| #BBF4EC text on black | 17.26:1 | AAA | Lc -93.5 | 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
#EEF8F6
oklch(97.1% 0.011 182.9)
-
Step 100
100 (this color)
#BBF4EC
oklch(92.6% 0.059 185.6)
-
Step 200
200
#BBE3DD
oklch(88.6% 0.042 185.3)
-
Step 300
300
#87D1C7
oklch(80.9% 0.075 185.1)
-
Step 400
400
#19B8AB
oklch(70.6% 0.12 185.8)
-
Step 500
500
#009F93
oklch(63.2% 0.111 185.4)
-
Step 600
600
#00857B
oklch(55.5% 0.097 185.6)
-
Step 700
700
#007068
oklch(49.1% 0.086 186.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#BBF4EC 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) | #EEEEEC | 0.062 |
| Deuteranopia (no green cones) | #E3E5ED | 0.060 |
| Tritanopia (no blue cones) | #AAF7F1 | 0.018 |
| Achromatopsia (no color) | #E9E9E9 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBF4EC
#BBF4EC
oklch(92.6% 0.059 185.6)
- #FFDCE3
#FFDCE3
oklch(92.6% 0.04 4.3)
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 #BBF4EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.022
- Pale Turquoise #AFEEEE ΔE 0.023
- Pale Sky Blue #BDF6FE ΔE 0.024
- Diamond #B9F2FF ΔE 0.028
- Pale Cyan #B7FFFA ΔE 0.029
- Pale Aqua #B8FFEB ΔE 0.030
- Eggshell Blue #C4FFF7 ΔE 0.032
- Light Light Blue #CAFFFB ΔE 0.037
Use #BBF4EC 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.