#B1BF45#B1BF45

#B1BF45 is a light, vivid yellow. Relative luminance 0.470; OKLCH L 77.0% C 0.145 H 115.5°. Best body text is #000000 at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#B1BF45
RGB	rgb(177, 191, 69)
HSL	hsl(67, 49%, 51%)
HSV	hsv(67, 64%, 75%)
CMYK	cmyk(7.3%, 0%, 63.9%, 25.1%)
CIE-LAB	lab(74.21, -21.04, 57.78)
CIE-LCH	lch(74.21, 61.50, 110.01°)
OKLab	oklab(77.05% -0.0625 0.1313)
OKLCH	oklch(77.05% 0.145 115.5)
XYZ	xyz(37.8373, 47.0390, 12.7153)
Luminance	0.4704 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BF45 #5345BF

analogous

#BF9045 #B1BF45 #74BF45

triadic

#B1BF45 #45B1BF #BF45B1

tetradic

#B1BF45 #45BF90 #5345BF #BF4574

square

#B1BF45 #45BF90 #5345BF #BF4574

split-complementary

#B1BF45 #4574BF #9045BF

monochromatic

#5F6623 #899433 #B1BF45 #C4CF73 #D7DEA0

Accessibility & contrast

On white

2.02

#B1BF45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.41

#B1BF45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BF45

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BF45	#FFFFFF	#000000	##000000
##B1BF45	1.00	2.02	10.41	10.41
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.41	21.00	1.00	1.00
##000000	10.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB635

Deuteranopia (green-blind)

#CBB74D

Tritanopia (blue-blind)

#BCB5A6

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #b1bf45;
/* rgb */ color: rgb(177, 191, 69);
/* oklch */ color: oklch(77.0% 0.145 115.5);

Tailwind

colors: {
  custom: {
    50: '#cbd27f',
    500: '#b1bf45',
    950: '#000000',
  },
}

SCSS

$custom: #b1bf45;
$custom-light: #cbd27f;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bf45",
  "rgb": {
    "r": 177,
    "g": 191,
    "b": 69
  },
  "hsl": {
    "h": 66.885,
    "s": 48.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.77047,
    "c": 0.14543,
    "h": 115.5
  },
  "luminance": 0.47038
}

Semantic roles & 50–950 ramp

primary

#B1BF45

secondary

#9B95CB

accent

#4FD85F

background

#FCFCF8

surface

#F9F9EF

border

#D2D2CA

text

#14140A

muted

#82827C

Preview Lab

Preview with #B1BF45

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

Preview Lab → · Contrast checker → · Palette generator →