#B4D840#B4D840

#B4D840 is a very light, vivid yellow-green. Relative luminance 0.592; OKLCH L 82.9% C 0.177 H 122.0°. Best body text is #000000 at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#B4D840
RGB	rgb(180, 216, 64)
HSL	hsl(74, 66%, 55%)
HSV	hsv(74, 70%, 85%)
CMYK	cmyk(16.7%, 0%, 70.4%, 15.3%)
CIE-LAB	lab(81.39, -32.12, 67.12)
CIE-LCH	lch(81.39, 74.41, 115.57°)
OKLab	oklab(82.86% -0.0939 0.1501)
OKLCH	oklch(82.86% 0.177 122)
XYZ	xyz(44.3043, 59.1851, 13.9393)
Luminance	0.5918 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D840 #6440D8

analogous

#D8B040 #B4D840 #68D840

triadic

#B4D840 #40B4D8 #D840B4

tetradic

#B4D840 #40D8B0 #6440D8 #D84068

square

#B4D840 #40D8B0 #6440D8 #D84068

split-complementary

#B4D840 #4068D8 #B040D8

monochromatic

#6A831B #93B625 #B4D840 #C8E273 #DCEDA6

Accessibility & contrast

On white

1.64

#B4D840 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.84

#B4D840 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D840

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D840	#FFFFFF	#000000	##000000
##B4D840	1.00	1.64	12.84	12.84
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.84	21.00	1.00	1.00
##000000	12.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CB26

Deuteranopia (green-blind)

#E0CA4D

Tritanopia (blue-blind)

#BDCDBA

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #b4d840;
/* rgb */ color: rgb(180, 216, 64);
/* oklch */ color: oklch(82.9% 0.177 122.0);

Tailwind

colors: {
  custom: {
    50: '#cee47e',
    500: '#b4d840',
    950: '#000000',
  },
}

SCSS

$custom: #b4d840;
$custom-light: #cee47e;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d840",
  "rgb": {
    "r": 180,
    "g": 216,
    "b": 64
  },
  "hsl": {
    "h": 74.211,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.82863,
    "c": 0.17708,
    "h": 122
  },
  "luminance": 0.59185
}

Semantic roles & 50–950 ramp

primary

#B4D840

secondary

#47338A

accent

#3FE967

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B4D840

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

Preview Lab → · Contrast checker → · Palette generator →