#B4D059#B4D059

#B4D059 is a light, vivid yellow-green. Relative luminance 0.555; OKLCH L 81.3% C 0.149 H 120.9°. Best body text is #000000 at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#B4D059
RGB	rgb(180, 208, 89)
HSL	hsl(74, 56%, 58%)
HSV	hsv(74, 57%, 82%)
CMYK	cmyk(13.5%, 0%, 57.2%, 18.4%)
CIE-LAB	lab(79.35, -26.61, 54.85)
CIE-LCH	lch(79.35, 60.96, 115.88°)
OKLab	oklab(81.28% -0.0763 0.1275)
OKLCH	oklch(81.28% 0.149 120.9)
XYZ	xyz(43.1819, 55.5364, 17.8940)
Luminance	0.5554 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D059 #7559D0

analogous

#D0B159 #B4D059 #78D059

triadic

#B4D059 #59B4D0 #D059B4

tetradic

#B4D059 #59D0B1 #7559D0 #D05978

square

#B4D059 #59D0B1 #7559D0 #D05978

split-complementary

#B4D059 #5978D0 #B159D0

monochromatic

#718827 #99B834 #B4D059 #CADE89 #DFEBB8

Accessibility & contrast

On white

1.73

#B4D059 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.11

#B4D059 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D059

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D059	#FFFFFF	#000000	##000000
##B4D059	1.00	1.73	12.11	12.11
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.11	21.00	1.00	1.00
##000000	12.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC54C

Deuteranopia (green-blind)

#D8C561

Tritanopia (blue-blind)

#BDC6B6

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #b4d059;
/* rgb */ color: rgb(180, 208, 89);
/* oklch */ color: oklch(81.3% 0.149 120.9);

Tailwind

colors: {
  custom: {
    50: '#cdde8c',
    500: '#b4d059',
    950: '#000000',
  },
}

SCSS

$custom: #b4d059;
$custom-light: #cdde8c;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d059",
  "rgb": {
    "r": 180,
    "g": 208,
    "b": 89
  },
  "hsl": {
    "h": 74.118,
    "s": 55.869,
    "l": 58.235
  },
  "oklch": {
    "l": 0.8128,
    "c": 0.14861,
    "h": 120.9
  },
  "luminance": 0.55536
}

Semantic roles & 50–950 ramp

primary

#B4D059

secondary

#513E8F

accent

#49DF6C

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14150C

muted

#83847F

Preview Lab

Preview with #B4D059

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

Preview Lab → · Contrast checker → · Palette generator →