#B4E240#B4E240

#B4E240 is a very light, vivid yellow-green. Relative luminance 0.645; OKLCH L 85.1% C 0.189 H 124.3°. Best body text is #000000 at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#B4E240
RGB	rgb(180, 226, 64)
HSL	hsl(77, 74%, 57%)
HSV	hsv(77, 72%, 89%)
CMYK	cmyk(20.4%, 0%, 71.7%, 11.4%)
CIE-LAB	lab(84.21, -36.70, 69.89)
CIE-LCH	lch(84.21, 78.94, 117.70°)
OKLab	oklab(85.14% -0.1065 0.1559)
OKLCH	oklch(85.14% 0.189 124.3)
XYZ	xyz(46.9446, 64.4657, 14.8194)
Luminance	0.6447 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4E240 #6E40E2

analogous

#E2BF40 #B4E240 #63E240

triadic

#B4E240 #40B4E2 #E240B4

tetradic

#B4E240 #40E2BF #6E40E2 #E24063

square

#B4E240 #40E2BF #6E40E2 #E24063

split-complementary

#B4E240 #4063E2 #BF40E2

monochromatic

#6E9216 #97C71E #B4E240 #C9EA75 #DEF2AA

Accessibility & contrast

On white

1.51

#B4E240 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.89

#B4E240 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4E240

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4E240	#FFFFFF	#000000	##000000
##B4E240	1.00	1.51	13.89	13.89
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.89	21.00	1.00	1.00
##000000	13.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD421

Deuteranopia (green-blind)

#E8D24E

Tritanopia (blue-blind)

#BCD7C3

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #b4e240;
/* rgb */ color: rgb(180, 226, 64);
/* oklch */ color: oklch(85.1% 0.189 124.3);

Tailwind

colors: {
  custom: {
    50: '#ceeb7f',
    500: '#b4e240',
    950: '#000000',
  },
}

SCSS

$custom: #b4e240;
$custom-light: #ceeb7f;
$custom-dark: #000000;

JSON

{
  "hex": "#b4e240",
  "rgb": {
    "r": 180,
    "g": 226,
    "b": 64
  },
  "hsl": {
    "h": 77.037,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.85137,
    "c": 0.18885,
    "h": 124.3
  },
  "luminance": 0.64466
}

Semantic roles & 50–950 ramp

primary

#B4E240

secondary

#4D3096

accent

#38F06C

background

#FEFEFB

surface

#FBFDF2

border

#D4D5CC

text

#14160B

muted

#83847E

Preview Lab

Preview with #B4E240

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

Preview Lab → · Contrast checker → · Palette generator →