#B5D840#B5D840

#B5D840 is a very light, vivid yellow-green. Relative luminance 0.593; OKLCH L 82.9% C 0.177 H 121.7°. Best body text is #000000 at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#B5D840
RGB	rgb(181, 216, 64)
HSL	hsl(74, 66%, 55%)
HSV	hsv(74, 70%, 85%)
CMYK	cmyk(16.2%, 0%, 70.4%, 15.3%)
CIE-LAB	lab(81.46, -31.72, 67.21)
CIE-LCH	lch(81.46, 74.32, 115.27°)
OKLab	oklab(82.93% -0.0929 0.1503)
OKLCH	oklch(82.93% 0.177 121.7)
XYZ	xyz(44.5380, 59.3056, 13.9503)
Luminance	0.5931 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5D840 #6340D8

analogous

#D8AF40 #B5D840 #69D840

triadic

#B5D840 #40B5D8 #D840B5

tetradic

#B5D840 #40D8AF #6340D8 #D84069

square

#B5D840 #40D8AF #6340D8 #D84069

split-complementary

#B5D840 #4069D8 #AF40D8

monochromatic

#6B831B #94B625 #B5D840 #C9E273 #DCEDA6

Accessibility & contrast

On white

1.63

#B5D840 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.86

#B5D840 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5D840

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5D840	#FFFFFF	#000000	##000000
##B5D840	1.00	1.63	12.86	12.86
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.86	21.00	1.00	1.00
##000000	12.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CB26

Deuteranopia (green-blind)

#E0CA4D

Tritanopia (blue-blind)

#BFCDBA

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #b5d840;
/* rgb */ color: rgb(181, 216, 64);
/* oklch */ color: oklch(82.9% 0.177 121.7);

Tailwind

colors: {
  custom: {
    50: '#cfe47e',
    500: '#b5d840',
    950: '#000000',
  },
}

SCSS

$custom: #b5d840;
$custom-light: #cfe47e;
$custom-dark: #000000;

JSON

{
  "hex": "#b5d840",
  "rgb": {
    "r": 181,
    "g": 216,
    "b": 64
  },
  "hsl": {
    "h": 73.816,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.82934,
    "c": 0.17668,
    "h": 121.7
  },
  "luminance": 0.59306
}

Semantic roles & 50–950 ramp

primary

#B5D840

secondary

#47338A

accent

#3FE966

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B5D840

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

Preview Lab → · Contrast checker → · Palette generator →