#B1C037#B1C037

#B1C037 is a light, vivid yellow. Relative luminance 0.473; OKLCH L 77.2% C 0.156 H 115.6°. Best body text is #000000 at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#B1C037
RGB	rgb(177, 192, 55)
HSL	hsl(67, 55%, 48%)
HSV	hsv(67, 71%, 75%)
CMYK	cmyk(7.8%, 0%, 71.4%, 24.7%)
CIE-LAB	lab(74.40, -22.36, 63.38)
CIE-LCH	lch(74.40, 67.21, 109.43°)
OKLab	oklab(77.16% -0.0676 0.1409)
OKLCH	oklch(77.16% 0.156 115.6)
XYZ	xyz(37.6717, 47.3228, 10.7634)
Luminance	0.4732 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C037 #4637C0

analogous

#C08A37 #B1C037 #6CC037

triadic

#B1C037 #37B1C0 #C037B1

tetradic

#B1C037 #37C08A #4637C0 #C0376C

square

#B1C037 #37C08A #4637C0 #C0376C

split-complementary

#B1C037 #376CC0 #8A37C0

monochromatic

#59611C #859029 #B1C037 #C6D262 #D7E092

Accessibility & contrast

On white

2.01

#B1C037 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.46

#B1C037 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C037

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C037	#FFFFFF	#000000	##000000
##B1C037	1.00	2.01	10.46	10.46
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.46	21.00	1.00	1.00
##000000	10.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB61E

Deuteranopia (green-blind)

#CCB842

Tritanopia (blue-blind)

#BCB5A5

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #b1c037;
/* rgb */ color: rgb(177, 192, 55);
/* oklch */ color: oklch(77.2% 0.156 115.6);

Tailwind

colors: {
  custom: {
    50: '#ccd277',
    500: '#b1c037',
    950: '#000000',
  },
}

SCSS

$custom: #b1c037;
$custom-light: #ccd277;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c037",
  "rgb": {
    "r": 177,
    "g": 192,
    "b": 55
  },
  "hsl": {
    "h": 66.569,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.77161,
    "c": 0.15625,
    "h": 115.6
  },
  "luminance": 0.47322
}

Semantic roles & 50–950 ramp

primary

#B1C037

secondary

#8F88CB

accent

#49DF59

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#141409

muted

#82827B

Preview Lab

Preview with #B1C037

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

Preview Lab → · Contrast checker → · Palette generator →