#B4F9E3
Closest named color: Pale Aqua (#B8FFEB). oklch(93% 0.075 172.8), rgb(180, 249, 227).
Aa
Black text reads best on this color (17.60:1).
About this color
#B4F9E3 is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 93%, its chroma 0.075 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Aqua (#B8FFEB), ΔE 0.018 away. Black text reads best on it, at 17.60:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Pale Aqua (#B8FFEB) |
| Black text | 17.60:1 |
| White text | 1.19:1 |
Values
| HEX | #B4F9E3 |
| RGB | rgb(180, 249, 227) |
| HSL | hsl(161, 85%, 84%) |
| OKLCH | oklch(93% 0.075 172.8) |
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 #B4F9E3 | 1.19:1 | Fails | Lc -10.9 | Not readable |
| Black text on #B4F9E3 | 17.60:1 | AAA | Lc 94.2 | Preferred for body text |
| #B4F9E3 text on white | 1.19:1 | Fails | Lc 9.3 | Not readable |
| #B4F9E3 text on black | 17.60:1 | AAA | Lc -94.9 | 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
#EDF8F4
oklch(97% 0.013 172.4)
-
Step 100
100 (this color)
#B4F9E3
oklch(93% 0.075 172.8)
-
Step 200
200
#B6E5D6
oklch(88.5% 0.053 173.6)
-
Step 300
300
#7AD5BA
oklch(80.8% 0.096 172.6)
-
Step 400
400
#00BB98
oklch(70.6% 0.136 172.9)
-
Step 500
500
#00A182
oklch(63.2% 0.122 172.6)
-
Step 600
600
#00876D
oklch(55.6% 0.107 172.9)
-
Step 700
700
#00725B
oklch(49.2% 0.095 172.3)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3E
oklch(37.8% 0.073 172.9)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#B4F9E3 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) | #F5F0E2 | 0.079 |
| Deuteranopia (no green cones) | #E8E7E4 | 0.075 |
| Tritanopia (no blue cones) | #A2FAF2 | 0.024 |
| Achromatopsia (no color) | #EBEBEB | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4F9E3
#B4F9E3
oklch(93% 0.075 172.8)
- #FFDDEA
#FFDDEA
oklch(92.9% 0.041 352.9)
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 #B4F9E3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Aqua #B8FFEB ΔE 0.018
- Duck Egg Blue #C3FBF4 ΔE 0.030
- Pale Cyan #B7FFFA ΔE 0.031
- Eggshell Blue #C4FFF7 ΔE 0.035
- Pale Turquoise #AFEEEE ΔE 0.038
- Pale Sky Blue #BDF6FE ΔE 0.043
- Light Light Blue #CAFFFB ΔE 0.043
- Light Aqua #8CFFDB ΔE 0.044
Use #B4F9E3 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.