#B1C03E#B1C03E

#B1C03E is a light, vivid yellow. Relative luminance 0.474; OKLCH L 77.2% C 0.152 H 115.7°. Best body text is #000000 at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#B1C03E
RGB	rgb(177, 192, 62)
HSL	hsl(67, 51%, 50%)
HSV	hsv(67, 68%, 75%)
CMYK	cmyk(7.8%, 0%, 67.7%, 24.7%)
CIE-LAB	lab(74.44, -21.97, 60.82)
CIE-LCH	lch(74.44, 64.67, 109.86°)
OKLab	oklab(77.21% -0.0658 0.1366)
OKLCH	oklch(77.21% 0.152 115.7)
XYZ	xyz(37.8515, 47.3948, 11.7106)
Luminance	0.4739 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C03E #4D3EC0

analogous

#C08E3E #B1C03E #70C03E

triadic

#B1C03E #3EB1C0 #C03EB1

tetradic

#B1C03E #3EC08E #4D3EC0 #C03E70

square

#B1C03E #3EC08E #4D3EC0 #C03E70

split-complementary

#B1C03E #3E70C0 #8E3EC0

monochromatic

#5C6320 #86922F #B1C03E #C4CF6C #D6DE9A

Accessibility & contrast

On white

2.00

#B1C03E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.48

#B1C03E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C03E

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C03E	#FFFFFF	#000000	##000000
##B1C03E	1.00	2.00	10.48	10.48
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.48	21.00	1.00	1.00
##000000	10.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB62A

Deuteranopia (green-blind)

#CCB848

Tritanopia (blue-blind)

#BCB5A6

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #b1c03e;
/* rgb */ color: rgb(177, 192, 62);
/* oklch */ color: oklch(77.2% 0.152 115.7);

Tailwind

colors: {
  custom: {
    50: '#cbd27b',
    500: '#b1c03e',
    950: '#000000',
  },
}

SCSS

$custom: #b1c03e;
$custom-light: #cbd27b;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c03e",
  "rgb": {
    "r": 177,
    "g": 192,
    "b": 62
  },
  "hsl": {
    "h": 66.923,
    "s": 51.181,
    "l": 49.804
  },
  "oklch": {
    "l": 0.77212,
    "c": 0.15167,
    "h": 115.7
  },
  "luminance": 0.47394
}

Semantic roles & 50–950 ramp

primary

#B1C03E

secondary

#968FCA

accent

#4DDB5D

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#14140A

muted

#82827C

Preview Lab

Preview with #B1C03E

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

Preview Lab → · Contrast checker → · Palette generator →