#B1C23A#B1C23A

#B1C23A is a light, vivid yellow. Relative luminance 0.482; OKLCH L 77.6% C 0.157 H 116.4°. Best body text is #000000 at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#B1C23A
RGB	rgb(177, 194, 58)
HSL	hsl(68, 54%, 49%)
HSV	hsv(68, 70%, 76%)
CMYK	cmyk(8.8%, 0%, 70.1%, 23.9%)
CIE-LAB	lab(74.97, -23.18, 62.86)
CIE-LCH	lch(74.97, 67.00, 110.24°)
OKLab	oklab(77.63% -0.0696 0.1403)
OKLCH	oklch(77.63% 0.157 116.4)
XYZ	xyz(38.1879, 48.2367, 11.3011)
Luminance	0.4824 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C23A #4B3AC2

analogous

#C28F3A #B1C23A #6DC23A

triadic

#B1C23A #3AB1C2 #C23AB1

tetradic

#B1C23A #3AC28F #4B3AC2 #C23A6D

square

#B1C23A #3AC28F #4B3AC2 #C23A6D

split-complementary

#B1C23A #3A6DC2 #8F3AC2

monochromatic

#5B641E #86932C #B1C23A #C4D267 #D7E097

Accessibility & contrast

On white

1.97

#B1C23A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.65

#B1C23A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C23A

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C23A	#FFFFFF	#000000	##000000
##B1C23A	1.00	1.97	10.65	10.65
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.65	21.00	1.00	1.00
##000000	10.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB823

Deuteranopia (green-blind)

#CEB945

Tritanopia (blue-blind)

#BCB7A7

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #b1c23a;
/* rgb */ color: rgb(177, 194, 58);
/* oklch */ color: oklch(77.6% 0.157 116.4);

Tailwind

colors: {
  custom: {
    50: '#ccd479',
    500: '#b1c23a',
    950: '#000000',
  },
}

SCSS

$custom: #b1c23a;
$custom-light: #ccd479;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c23a",
  "rgb": {
    "r": 177,
    "g": 194,
    "b": 58
  },
  "hsl": {
    "h": 67.5,
    "s": 53.968,
    "l": 49.412
  },
  "oklch": {
    "l": 0.77631,
    "c": 0.15659,
    "h": 116.4
  },
  "luminance": 0.48236
}

Semantic roles & 50–950 ramp

primary

#B1C23A

secondary

#948DCB

accent

#4ADD5D

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#14140A

muted

#82827C

Preview Lab

Preview with #B1C23A

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

Preview Lab → · Contrast checker → · Palette generator →