#B1C02C#B1C02C

#B1C02C is a light, vivid yellow. Relative luminance 0.472; OKLCH L 77.1% C 0.162 H 115.5°. Best body text is #000000 at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#B1C02C
RGB	rgb(177, 192, 44)
HSL	hsl(66, 63%, 46%)
HSV	hsv(66, 77%, 75%)
CMYK	cmyk(7.8%, 0%, 77.1%, 24.7%)
CIE-LAB	lab(74.34, -22.87, 66.96)
CIE-LCH	lch(74.34, 70.76, 108.85°)
OKLab	oklab(77.09% -0.0699 0.1466)
OKLCH	oklch(77.09% 0.162 115.5)
XYZ	xyz(37.4368, 47.2289, 9.5263)
Luminance	0.4723 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C02C #3B2CC0

analogous

#C0852C #B1C02C #67C02C

triadic

#B1C02C #2CB1C0 #C02CB1

tetradic

#B1C02C #2CC085 #3B2CC0 #C02C67

square

#B1C02C #2CC085 #3B2CC0 #C02C67

split-complementary

#B1C02C #2C67C0 #852CC0

monochromatic

#555C15 #838E21 #B1C02C #CAD752 #D9E384

Accessibility & contrast

On white

2.01

#B1C02C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.45

#B1C02C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C02C

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C02C	#FFFFFF	#000000	##000000
##B1C02C	1.00	2.01	10.45	10.45
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.45	21.00	1.00	1.00
##000000	10.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB600

Deuteranopia (green-blind)

#CDB83A

Tritanopia (blue-blind)

#BDB5A5

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #b1c02c;
/* rgb */ color: rgb(177, 192, 44);
/* oklch */ color: oklch(77.1% 0.162 115.5);

Tailwind

colors: {
  custom: {
    50: '#ccd272',
    500: '#b1c02c',
    950: '#000000',
  },
}

SCSS

$custom: #b1c02c;
$custom-light: #ccd272;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c02c",
  "rgb": {
    "r": 177,
    "g": 192,
    "b": 44
  },
  "hsl": {
    "h": 66.081,
    "s": 62.712,
    "l": 46.275
  },
  "oklch": {
    "l": 0.77094,
    "c": 0.16238,
    "h": 115.5
  },
  "luminance": 0.47228
}

Semantic roles & 50–950 ramp

primary

#B1C02C

secondary

#847CCC

accent

#42E653

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141409

muted

#83827B

Preview Lab

Preview with #B1C02C

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

Preview Lab → · Contrast checker → · Palette generator →