#B4D029#B4D029

#B4D029 is a light, vivid yellow-green. Relative luminance 0.550; OKLCH L 80.9% C 0.180 H 119.4°. Best body text is #000000 at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#B4D029
RGB	rgb(180, 208, 41)
HSL	hsl(70, 67%, 49%)
HSV	hsv(70, 80%, 82%)
CMYK	cmyk(13.5%, 0%, 80.3%, 18.4%)
CIE-LAB	lab(79.03, -29.43, 72.10)
CIE-LCH	lch(79.03, 77.88, 112.20°)
OKLab	oklab(80.92% -0.0883 0.1569)
OKLCH	oklch(80.92% 0.18 119.4)
XYZ	xyz(41.7794, 54.9754, 10.5077)
Luminance	0.5497 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D029 #4529D0

analogous

#D09929 #B4D029 #61D029

triadic

#B4D029 #29B4D0 #D029B4

tetradic

#B4D029 #29D099 #4529D0 #D02961

square

#B4D029 #29D099 #4529D0 #D02961

split-complementary

#B4D029 #2961D0 #9929D0

monochromatic

#5C6A15 #889D1F #B4D029 #C8DE58 #D9E88B

Accessibility & contrast

On white

1.75

#B4D029 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.00

#B4D029 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D029

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D029	#FFFFFF	#000000	##000000
##B4D029	1.00	1.75	12.00	12.00
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.00	21.00	1.00	1.00
##000000	12.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC400

Deuteranopia (green-blind)

#DBC43B

Tritanopia (blue-blind)

#BFC4B2

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #b4d029;
/* rgb */ color: rgb(180, 208, 41);
/* oklch */ color: oklch(80.9% 0.180 119.4);

Tailwind

colors: {
  custom: {
    50: '#cfde73',
    500: '#b4d029',
    950: '#000000',
  },
}

SCSS

$custom: #b4d029;
$custom-light: #cfde73;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d029",
  "rgb": {
    "r": 180,
    "g": 208,
    "b": 41
  },
  "hsl": {
    "h": 70.06,
    "s": 67.068,
    "l": 48.824
  },
  "oklch": {
    "l": 0.80918,
    "c": 0.18006,
    "h": 119.4
  },
  "luminance": 0.54975
}

Semantic roles & 50–950 ramp

primary

#B4D029

secondary

#362A74

accent

#3EEA5B

background

#FEFEFB

surface

#FBFCF1

border

#D4D5CB

text

#141509

muted

#83847D

Preview Lab

Preview with #B4D029

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

Preview Lab → · Contrast checker → · Palette generator →