#BBF9F3
Closest named color: Duck Egg Blue (#C3FBF4). oklch(93.9% 0.063 188.7), rgb(187, 249, 243).
Aa
Black text reads best on this color (17.95:1).
About this color
#BBF9F3 is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.063 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.011 away. Black text reads best on it, at 17.95:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.95:1 |
| White text | 1.16:1 |
Values
| HEX | #BBF9F3 |
| RGB | rgb(187, 249, 243) |
| HSL | hsl(174, 84%, 85%) |
| OKLCH | oklch(93.9% 0.063 188.7) |
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 #BBF9F3 | 1.16:1 | Fails | Lc -9.5 | Not readable |
| Black text on #BBF9F3 | 17.95:1 | AAA | Lc 95.5 | Preferred for body text |
| #BBF9F3 text on white | 1.16:1 | Fails | Lc 8.0 | Not readable |
| #BBF9F3 text on black | 17.95:1 | AAA | Lc -96.3 | 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
#EEF8F7
oklch(97.1% 0.011 189.8)
-
Step 100
100 (this color)
#BBF9F3
oklch(93.9% 0.063 188.7)
-
Step 200
200
#B8E3DF
oklch(88.4% 0.045 189.4)
-
Step 300
300
#80D2CB
oklch(80.9% 0.081 188.7)
-
Step 400
400
#00B9B0
oklch(70.8% 0.123 188.6)
-
Step 500
500
#009E97
oklch(63.1% 0.109 189.2)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C48
oklch(37.6% 0.065 188.7)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#BBF9F3 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) | #F2F2F3 | 0.067 |
| Deuteranopia (no green cones) | #E6E9F4 | 0.063 |
| Tritanopia (no blue cones) | #A8FCF7 | 0.019 |
| Achromatopsia (no color) | #EDEDED | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBF9F3
#BBF9F3
oklch(93.9% 0.063 188.7)
- #FFE3E6
#FFE3E6
oklch(93.9% 0.031 10.3)
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 #BBF9F3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.011
- Pale Cyan #B7FFFA ΔE 0.015
- Eggshell Blue #C4FFF7 ΔE 0.020
- Pale Sky Blue #BDF6FE ΔE 0.020
- Pale Aqua #B8FFEB ΔE 0.022
- Light Light Blue #CAFFFB ΔE 0.026
- Diamond #B9F2FF ΔE 0.029
- Pale Blue #D0FEFE ΔE 0.032
Use #BBF9F3 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.