#B1C03A#B1C03A

#B1C03A is a light, vivid yellow. Relative luminance 0.474; OKLCH L 77.2% C 0.154 H 115.7°. Best body text is #000000 at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#B1C03A
RGB	rgb(177, 192, 58)
HSL	hsl(67, 54%, 49%)
HSV	hsv(67, 70%, 75%)
CMYK	cmyk(7.8%, 0%, 69.8%, 24.7%)
CIE-LAB	lab(74.41, -22.20, 62.31)
CIE-LCH	lch(74.41, 66.14, 109.61°)
OKLab	oklab(77.18% -0.0668 0.1391)
OKLCH	oklch(77.18% 0.154 115.7)
XYZ	xyz(37.7458, 47.3525, 11.1537)
Luminance	0.4735 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C03A #493AC0

analogous

#C08C3A #B1C03A #6EC03A

triadic

#B1C03A #3AB1C0 #C03AB1

tetradic

#B1C03A #3AC08C #493AC0 #C03A6E

square

#B1C03A #3AC08C #493AC0 #C03A6E

split-complementary

#B1C03A #3A6EC0 #8C3AC0

monochromatic

#5A621E #86912C #B1C03A #C5D166 #D7DF95

Accessibility & contrast

On white

2.01

#B1C03A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.47

#B1C03A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C03A

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C03A	#FFFFFF	#000000	##000000
##B1C03A	1.00	2.01	10.47	10.47
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.47	21.00	1.00	1.00
##000000	10.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB624

Deuteranopia (green-blind)

#CCB844

Tritanopia (blue-blind)

#BCB5A6

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #b1c03a;
/* rgb */ color: rgb(177, 192, 58);
/* oklch */ color: oklch(77.2% 0.154 115.7);

Tailwind

colors: {
  custom: {
    50: '#ccd279',
    500: '#b1c03a',
    950: '#000000',
  },
}

SCSS

$custom: #b1c03a;
$custom-light: #ccd279;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c03a",
  "rgb": {
    "r": 177,
    "g": 192,
    "b": 58
  },
  "hsl": {
    "h": 66.716,
    "s": 53.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.77182,
    "c": 0.15435,
    "h": 115.7
  },
  "luminance": 0.47352
}

Semantic roles & 50–950 ramp

primary

#B1C03A

secondary

#928BCA

accent

#4BDD5B

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#141409

muted

#82827B

Preview Lab

Preview with #B1C03A

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

Preview Lab → · Contrast checker → · Palette generator →