#B1E45A#B1E45A

#B1E45A is a very light, vivid yellow-green. Relative luminance 0.656; OKLCH L 85.6% C 0.175 H 126.9°. Best body text is #000000 at 14.11:1 contrast (WCAG AA passes).

Color values

HEX	#B1E45A
RGB	rgb(177, 228, 90)
HSL	hsl(82, 72%, 62%)
HSV	hsv(82, 61%, 89%)
CMYK	cmyk(22.4%, 0%, 60.5%, 10.6%)
CIE-LAB	lab(84.78, -36.99, 60.42)
CIE-LCH	lch(84.78, 70.84, 121.47°)
OKLab	oklab(85.61% -0.1049 0.1396)
OKLCH	oklch(85.61% 0.175 126.9)
XYZ	xyz(47.7203, 65.5713, 19.8133)
Luminance	0.6557 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 5.79

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E45A #8D5AE4

analogous

#E4D25A #B1E45A #6CE45A

triadic

#B1E45A #5AB1E4 #E45AB1

tetradic

#B1E45A #5AE4D2 #8D5AE4 #E45A6C

square

#B1E45A #5AE4D2 #8D5AE4 #E45A6C

split-complementary

#B1E45A #5A6CE4 #D25AE4

monochromatic

#74A81C #98DB25 #B1E45A #CAED8F #E3F5C3

Accessibility & contrast

On white

1.49

#B1E45A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.11

#B1E45A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E45A

14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E45A	#FFFFFF	#000000	##000000
##B1E45A	1.00	1.49	14.11	14.11
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.11	21.00	1.00	1.00
##000000	14.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD64A

Deuteranopia (green-blind)

#E8D364

Tritanopia (blue-blind)

#B7DAC7

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #b1e45a;
/* rgb */ color: rgb(177, 228, 90);
/* oklch */ color: oklch(85.6% 0.175 126.9);

Tailwind

colors: {
  custom: {
    50: '#cbec8e',
    500: '#b1e45a',
    950: '#000000',
  },
}

SCSS

$custom: #b1e45a;
$custom-light: #cbec8e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e45a",
  "rgb": {
    "r": 177,
    "g": 228,
    "b": 90
  },
  "hsl": {
    "h": 82.174,
    "s": 71.875,
    "l": 62.353
  },
  "oklch": {
    "l": 0.85612,
    "c": 0.1746,
    "h": 126.9
  },
  "luminance": 0.65572
}

Semantic roles & 50–950 ramp

primary

#B1E45A

secondary

#6238AA

accent

#12D459

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160D

muted

#83847F

Preview Lab

Preview with #B1E45A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →