#B5E640#B5E640

#B5E640 is a very light, vivid yellow-green. Relative luminance 0.668; OKLCH L 86.1% C 0.193 H 124.9°. Best body text is #000000 at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#B5E640
RGB	rgb(181, 230, 64)
HSL	hsl(78, 77%, 58%)
HSV	hsv(78, 72%, 90%)
CMYK	cmyk(21.3%, 0%, 72.2%, 9.8%)
CIE-LAB	lab(85.40, -38.11, 71.08)
CIE-LCH	lch(85.40, 80.65, 118.20°)
OKLab	oklab(86.12% -0.1104 0.1584)
OKLCH	oklch(86.12% 0.193 124.9)
XYZ	xyz(48.2787, 66.7870, 15.1972)
Luminance	0.6679 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5E640 #7140E6

analogous

#E6C440 #B5E640 #62E640

triadic

#B5E640 #40B5E6 #E640B5

tetradic

#B5E640 #40E6C4 #7140E6 #E64062

square

#B5E640 #40E6C4 #7140E6 #E64062

split-complementary

#B5E640 #4062E6 #C440E6

monochromatic

#719814 #99CE1B #B5E640 #CAED76 #DFF4AC

Accessibility & contrast

On white

1.46

#B5E640 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.36

#B5E640 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5E640

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5E640	#FFFFFF	#000000	##000000
##B5E640	1.00	1.46	14.36	14.36
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.36	21.00	1.00	1.00
##000000	14.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3D71F

Deuteranopia (green-blind)

#ECD54F

Tritanopia (blue-blind)

#BDDBC6

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #b5e640;
/* rgb */ color: rgb(181, 230, 64);
/* oklch */ color: oklch(86.1% 0.193 124.9);

Tailwind

colors: {
  custom: {
    50: '#cfee80',
    500: '#b5e640',
    950: '#000000',
  },
}

SCSS

$custom: #b5e640;
$custom-light: #cfee80;
$custom-dark: #000000;

JSON

{
  "hex": "#b5e640",
  "rgb": {
    "r": 181,
    "g": 230,
    "b": 64
  },
  "hsl": {
    "h": 77.711,
    "s": 76.852,
    "l": 57.647
  },
  "oklch": {
    "l": 0.86115,
    "c": 0.19311,
    "h": 124.9
  },
  "luminance": 0.66788
}

Semantic roles & 50–950 ramp

primary

#B5E640

secondary

#4F2F9B

accent

#34F36D

background

#FEFFFB

surface

#FBFEF2

border

#D4D6CC

text

#14160B

muted

#83857E

Preview Lab

Preview with #B5E640

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

Preview Lab → · Contrast checker → · Palette generator →