#B1C72F#B1C72F

#B1C72F is a light, vivid yellow. Relative luminance 0.504; OKLCH L 78.7% C 0.168 H 117.8°. Best body text is #000000 at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#B1C72F
RGB	rgb(177, 199, 47)
HSL	hsl(69, 62%, 48%)
HSV	hsv(69, 76%, 78%)
CMYK	cmyk(11.1%, 0%, 76.4%, 22%)
CIE-LAB	lab(76.31, -26.14, 67.86)
CIE-LCH	lch(76.31, 72.72, 111.07°)
OKLab	oklab(78.69% -0.0787 0.149)
OKLCH	oklch(78.69% 0.168 117.8)
XYZ	xyz(39.0689, 50.3996, 10.3587)
Luminance	0.5040 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C72F #452FC7

analogous

#C7912F #B1C72F #65C72F

triadic

#B1C72F #2FB1C7 #C72FB1

tetradic

#B1C72F #2FC791 #452FC7 #C72F65

square

#B1C72F #2FC791 #452FC7 #C72F65

split-complementary

#B1C72F #2F65C7 #912FC7

monochromatic

#596418 #859523 #B1C72F #C6D85B #D7E48C

Accessibility & contrast

On white

1.90

#B1C72F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.08

#B1C72F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C72F

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C72F	#FFFFFF	#000000	##000000
##B1C72F	1.00	1.90	11.08	11.08
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.08	21.00	1.00	1.00
##000000	11.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BC02

Deuteranopia (green-blind)

#D2BD3D

Tritanopia (blue-blind)

#BCBCAB

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b1c72f;
/* rgb */ color: rgb(177, 199, 47);
/* oklch */ color: oklch(78.7% 0.168 117.8);

Tailwind

colors: {
  custom: {
    50: '#ccd774',
    500: '#b1c72f',
    950: '#000000',
  },
}

SCSS

$custom: #b1c72f;
$custom-light: #ccd774;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c72f",
  "rgb": {
    "r": 177,
    "g": 199,
    "b": 47
  },
  "hsl": {
    "h": 68.684,
    "s": 61.789,
    "l": 48.235
  },
  "oklch": {
    "l": 0.78688,
    "c": 0.16849,
    "h": 117.8
  },
  "luminance": 0.50399
}

Semantic roles & 50–950 ramp

primary

#B1C72F

secondary

#352C6E

accent

#43E55A

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B1C72F

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

Preview Lab → · Contrast checker → · Palette generator →