#B1B52F#B1B52F

#B1B52F is a light, vivid yellow. Relative luminance 0.426; OKLCH L 74.7% C 0.149 H 111.3°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#B1B52F
RGB	rgb(177, 181, 47)
HSL	hsl(62, 59%, 45%)
HSV	hsv(62, 74%, 71%)
CMYK	cmyk(2.2%, 0%, 74%, 29%)
CIE-LAB	lab(71.28, -17.26, 63.18)
CIE-LCH	lch(71.28, 65.49, 105.28°)
OKLab	oklab(74.65% -0.0541 0.1391)
OKLCH	oklch(74.65% 0.149 111.3)
XYZ	xyz(35.1696, 42.6010, 9.0590)
Luminance	0.4260 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B52F #332FB5

analogous

#B5762F #B1B52F #6EB52F

triadic

#B1B52F #2FB1B5 #B52FB1

tetradic

#B1B52F #2FB576 #332FB5 #B52F6E

square

#B1B52F #2FB576 #332FB5 #B52F6E

split-complementary

#B1B52F #2F6EB5 #762FB5

monochromatic

#525416 #818422 #B1B52F #CED150 #DBDE80

Accessibility & contrast

On white

2.21

#B1B52F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#B1B52F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B52F

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B52F	#FFFFFF	#000000	##000000
##B1B52F	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD12

Deuteranopia (green-blind)

#C4B03A

Tritanopia (blue-blind)

#BDAA9C

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #b1b52f;
/* rgb */ color: rgb(177, 181, 47);
/* oklch */ color: oklch(74.7% 0.149 111.3);

Tailwind

colors: {
  custom: {
    50: '#ccca72',
    500: '#b1b52f',
    950: '#000000',
  },
}

SCSS

$custom: #b1b52f;
$custom-light: #ccca72;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b52f",
  "rgb": {
    "r": 177,
    "g": 181,
    "b": 47
  },
  "hsl": {
    "h": 61.791,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.74652,
    "c": 0.14922,
    "h": 111.3
  },
  "luminance": 0.426
}

Semantic roles & 50–950 ramp

primary

#B1B52F

secondary

#7B79C7

accent

#46E24A

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B1B52F

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

Preview Lab → · Contrast checker → · Palette generator →