#B1B41F#B1B41F

#B1B41F is a light, vivid yellow. Relative luminance 0.421; OKLCH L 74.3% C 0.156 H 110.9°. Best body text is #000000 at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#B1B41F
RGB	rgb(177, 180, 31)
HSL	hsl(61, 71%, 41%)
HSV	hsv(61, 83%, 71%)
CMYK	cmyk(1.7%, 0%, 82.8%, 29.4%)
CIE-LAB	lab(70.93, -17.35, 67.56)
CIE-LCH	lch(70.93, 69.76, 104.40°)
OKLab	oklab(74.35% -0.0556 0.1456)
OKLCH	oklch(74.35% 0.156 110.9)
XYZ	xyz(34.7013, 42.0895, 7.5922)
Luminance	0.4209 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B41F #221FB4

analogous

#B46D1F #B1B41F #67B41F

triadic

#B1B41F #1FB1B4 #B41FB1

tetradic

#B1B41F #1FB46D #221FB4 #B41F67

square

#B1B41F #1FB46D #221FB4 #B41F67

split-complementary

#B1B41F #1F67B4 #6D1FB4

monochromatic

#4A4C0D #7E8016 #B1B41F #D9DC34 #E3E568

Accessibility & contrast

On white

2.23

#B1B41F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.42

#B1B41F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B41F

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B41F	#FFFFFF	#000000	##000000
##B1B41F	1.00	2.23	9.42	9.42
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.42	21.00	1.00	1.00
##000000	9.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AC00

Deuteranopia (green-blind)

#C4AF2E

Tritanopia (blue-blind)

#BEA89A

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #b1b41f;
/* rgb */ color: rgb(177, 180, 31);
/* oklch */ color: oklch(74.3% 0.156 110.9);

Tailwind

colors: {
  custom: {
    50: '#ccca6b',
    500: '#b1b41f',
    950: '#000000',
  },
}

SCSS

$custom: #b1b41f;
$custom-light: #ccca6b;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b41f",
  "rgb": {
    "r": 177,
    "g": 180,
    "b": 31
  },
  "hsl": {
    "h": 61.208,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.74348,
    "c": 0.15583,
    "h": 110.9
  },
  "luminance": 0.42089
}

Semantic roles & 50–950 ramp

primary

#B1B41F

secondary

#6664CB

accent

#3AED3E

background

#FDFCF6

surface

#FAF8EC

border

#D3D1C7

text

#141307

muted

#83827A

Preview Lab

Preview with #B1B41F

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

Preview Lab → · Contrast checker → · Palette generator →