#B3D029#B3D029

#B3D029 is a light, vivid yellow-green. Relative luminance 0.549; OKLCH L 80.8% C 0.180 H 119.7°. Best body text is #000000 at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#B3D029
RGB	rgb(179, 208, 41)
HSL	hsl(70, 67%, 49%)
HSV	hsv(70, 80%, 82%)
CMYK	cmyk(13.9%, 0%, 80.3%, 18.4%)
CIE-LAB	lab(78.96, -29.84, 72.02)
CIE-LCH	lch(78.96, 77.95, 112.51°)
OKLab	oklab(80.84% -0.0894 0.1568)
OKLCH	oklch(80.84% 0.18 119.7)
XYZ	xyz(41.5474, 54.8558, 10.4969)
Luminance	0.5486 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3D029 #4629D0

analogous

#D09A29 #B3D029 #60D029

triadic

#B3D029 #29B3D0 #D029B3

tetradic

#B3D029 #29D09A #4629D0 #D02960

square

#B3D029 #29D09A #4629D0 #D02960

split-complementary

#B3D029 #2960D0 #9A29D0

monochromatic

#5B6A15 #879D1F #B3D029 #C7DE58 #D8E88B

Accessibility & contrast

On white

1.75

#B3D029 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.97

#B3D029 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3D029

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3D029	#FFFFFF	#000000	##000000
##B3D029	1.00	1.75	11.97	11.97
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.97	21.00	1.00	1.00
##000000	11.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC400

Deuteranopia (green-blind)

#DAC43B

Tritanopia (blue-blind)

#BEC4B2

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #b3d029;
/* rgb */ color: rgb(179, 208, 41);
/* oklch */ color: oklch(80.8% 0.180 119.7);

Tailwind

colors: {
  custom: {
    50: '#cede73',
    500: '#b3d029',
    950: '#000000',
  },
}

SCSS

$custom: #b3d029;
$custom-light: #cede73;
$custom-dark: #000000;

JSON

{
  "hex": "#b3d029",
  "rgb": {
    "r": 179,
    "g": 208,
    "b": 41
  },
  "hsl": {
    "h": 70.419,
    "s": 67.068,
    "l": 48.824
  },
  "oklch": {
    "l": 0.80844,
    "c": 0.18045,
    "h": 119.7
  },
  "luminance": 0.54856
}

Semantic roles & 50–950 ramp

primary

#B3D029

secondary

#372A74

accent

#3EEA5C

background

#FEFEFB

surface

#FBFCF1

border

#D4D5CB

text

#141509

muted

#83847D

Preview Lab

Preview with #B3D029

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

Preview Lab → · Contrast checker → · Palette generator →