#B1C12F#B1C12F

#B1C12F is a light, vivid yellow. Relative luminance 0.477; OKLCH L 77.3% C 0.162 H 115.9°. Best body text is #000000 at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#B1C12F
RGB	rgb(177, 193, 47)
HSL	hsl(67, 61%, 47%)
HSV	hsv(67, 76%, 76%)
CMYK	cmyk(8.3%, 0%, 75.6%, 24.3%)
CIE-LAB	lab(74.63, -23.23, 66.30)
CIE-LCH	lch(74.63, 70.25, 109.31°)
OKLab	oklab(77.33% -0.0707 0.1457)
OKLCH	oklch(77.33% 0.162 115.9)
XYZ	xyz(37.7155, 47.6929, 9.9076)
Luminance	0.4769 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C12F #3F2FC1

analogous

#C1882F #B1C12F #68C12F

triadic

#B1C12F #2FB1C1 #C12FB1

tetradic

#B1C12F #2FC188 #3F2FC1 #C12F68

square

#B1C12F #2FC188 #3F2FC1 #C12F68

split-complementary

#B1C12F #2F68C1 #882FC1

monochromatic

#575F17 #849023 #B1C12F #C8D657 #D8E288

Accessibility & contrast

On white

1.99

#B1C12F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.54

#B1C12F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C12F

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C12F	#FFFFFF	#000000	##000000
##B1C12F	1.00	1.99	10.54	10.54
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.54	21.00	1.00	1.00
##000000	10.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB708

Deuteranopia (green-blind)

#CEB93C

Tritanopia (blue-blind)

#BDB6A6

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #b1c12f;
/* rgb */ color: rgb(177, 193, 47);
/* oklch */ color: oklch(77.3% 0.162 115.9);

Tailwind

colors: {
  custom: {
    50: '#ccd373',
    500: '#b1c12f',
    950: '#000000',
  },
}

SCSS

$custom: #b1c12f;
$custom-light: #ccd373;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c12f",
  "rgb": {
    "r": 177,
    "g": 193,
    "b": 47
  },
  "hsl": {
    "h": 66.575,
    "s": 60.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.77335,
    "c": 0.16192,
    "h": 115.9
  },
  "luminance": 0.47692
}

Semantic roles & 50–950 ramp

primary

#B1C12F

secondary

#8880CC

accent

#44E455

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141409

muted

#83827B

Preview Lab

Preview with #B1C12F

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

Preview Lab → · Contrast checker → · Palette generator →