#B4F9E5
Closest named color: Pale Aqua (#B8FFEB). oklch(93.1% 0.074 174.7), rgb(180, 249, 229).
Aa
Black text reads best on this color (17.62:1).
About this color
#B4F9E5 is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 93%, its chroma 0.074 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Aqua (#B8FFEB), ΔE 0.017 away. Black text reads best on it, at 17.62:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Pale Aqua (#B8FFEB) |
| Black text | 17.62:1 |
| White text | 1.19:1 |
Values
| HEX | #B4F9E5 |
| RGB | rgb(180, 249, 229) |
| HSL | hsl(163, 85%, 84%) |
| OKLCH | oklch(93.1% 0.074 174.7) |
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 #B4F9E5 | 1.19:1 | Fails | Lc -10.8 | Not readable |
| Black text on #B4F9E5 | 17.62:1 | AAA | Lc 94.3 | Preferred for body text |
| #B4F9E5 text on white | 1.19:1 | Fails | Lc 9.3 | Not readable |
| #B4F9E5 text on black | 17.62:1 | 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
#EDF8F5
oklch(97% 0.012 178)
-
Step 100
100 (this color)
#B4F9E5
oklch(93.1% 0.074 174.7)
-
Step 200
200
#B6E5D7
oklch(88.5% 0.052 174.9)
-
Step 300
300
#7AD5BD
oklch(80.9% 0.095 174.9)
-
Step 400
400
#00BB9B
oklch(70.7% 0.134 174.5)
-
Step 500
500
#00A085
oklch(63% 0.119 175)
-
Step 600
600
#00876F
oklch(55.6% 0.106 174.3)
-
Step 700
700
#00715D
oklch(49% 0.093 174.7)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#004E3F
oklch(37.8% 0.072 174.1)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#B4F9E5 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) | #F4F0E4 | 0.078 |
| Deuteranopia (no green cones) | #E8E7E6 | 0.075 |
| Tritanopia (no blue cones) | #A2FBF3 | 0.023 |
| Achromatopsia (no color) | #EBEBEB | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4F9E5
#B4F9E5
oklch(93.1% 0.074 174.7)
- #FFDEE9
#FFDEE9
oklch(93.1% 0.039 355.8)
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 #B4F9E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Aqua #B8FFEB ΔE 0.017
- Duck Egg Blue #C3FBF4 ΔE 0.028
- Pale Cyan #B7FFFA ΔE 0.029
- Eggshell Blue #C4FFF7 ΔE 0.033
- Pale Turquoise #AFEEEE ΔE 0.036
- Pale Sky Blue #BDF6FE ΔE 0.040
- Light Light Blue #CAFFFB ΔE 0.042
- Light Aqua #8CFFDB ΔE 0.045
Use #B4F9E5 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.