#BBEFF9
Closest named color: Diamond (#B9F2FF). oklch(91.9% 0.055 210.7), rgb(187, 239, 249).
Aa
Black text reads best on this color (16.82:1).
About this color
#BBEFF9 is a very light, muted teal or cyan. In OKLCH its lightness is 92%, its chroma 0.055 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.009 away. Black text reads best on it, at 16.82:1.
| Hue family | Teals and cyans |
| Lightness | very light (92%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.82:1 |
| White text | 1.24:1 |
Values
| HEX | #BBEFF9 |
| RGB | rgb(187, 239, 249) |
| HSL | hsl(190, 84%, 85%) |
| OKLCH | oklch(91.9% 0.055 210.7) |
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 #BBEFF9 | 1.24:1 | Fails | Lc -14.2 | Not readable |
| Black text on #BBEFF9 | 16.82:1 | AAA | Lc 91.3 | Preferred for body text |
| #BBEFF9 text on white | 1.24:1 | Fails | Lc 12.3 | Not readable |
| #BBEFF9 text on black | 16.82:1 | AAA | Lc -91.7 | 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
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100 (this color)
#BBEFF9
oklch(91.9% 0.055 210.7)
-
Step 200
200
#BDE1E8
oklch(88.6% 0.039 210.7)
-
Step 300
300
#8ACDDA
oklch(80.8% 0.07 211.1)
-
Step 400
400
#2EB3C8
oklch(70.7% 0.112 210.8)
-
Step 500
500
#009BAE
oklch(63.2% 0.109 210)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#BBEFF9 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) | #E6EBFA | 0.052 |
| Deuteranopia (no green cones) | #DBE3F9 | 0.047 |
| Tritanopia (no blue cones) | #A7F4F2 | 0.028 |
| Achromatopsia (no color) | #E6E6E6 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBEFF9
#BBEFF9
oklch(91.9% 0.055 210.7)
- #FFDBD4
#FFDBD4
oklch(92% 0.041 30.8)
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 #BBEFF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.009
- Pale Sky Blue #BDF6FE ΔE 0.018
- Pale Turquoise #AFEEEE ΔE 0.021
- Robin's Egg Blue #98EFF9 ΔE 0.036
- Duck Egg Blue #C3FBF4 ΔE 0.037
- Pale Cyan #B7FFFA ΔE 0.042
- Powder Blue #B0E0E6 ΔE 0.045
- Eggshell Blue #C4FFF7 ΔE 0.046
Use #BBEFF9 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.