#B1CA40#B1CA40

#B1CA40 is a light, vivid yellow-green. Relative luminance 0.520; OKLCH L 79.5% C 0.162 H 119.1°. Best body text is #000000 at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#B1CA40
RGB	rgb(177, 202, 64)
HSL	hsl(71, 57%, 52%)
HSV	hsv(71, 68%, 79%)
CMYK	cmyk(12.4%, 0%, 68.3%, 20.8%)
CIE-LAB	lab(77.26, -26.72, 62.91)
CIE-LCH	lch(77.26, 68.35, 113.01°)
OKLab	oklab(79.48% -0.0788 0.1413)
OKLCH	oklch(79.48% 0.162 119.1)
XYZ	xyz(40.1782, 51.9586, 12.7619)
Luminance	0.5196 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CA40 #5940CA

analogous

#CA9E40 #B1CA40 #6CCA40

triadic

#B1CA40 #40B1CA #CA40B1

tetradic

#B1CA40 #40CA9E #5940CA #CA406C

square

#B1CA40 #40CA9E #5940CA #CA406C

split-complementary

#B1CA40 #406CCA #9E40CA

monochromatic

#62701F #8BA02C #B1CA40 #C5D770 #D8E5A0

Accessibility & contrast

On white

1.84

#B1CA40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.39

#B1CA40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CA40

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CA40	#FFFFFF	#000000	##000000
##B1CA40	1.00	1.84	11.39	11.39
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.39	21.00	1.00	1.00
##000000	11.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF2B

Deuteranopia (green-blind)

#D4BF4B

Tritanopia (blue-blind)

#BBBFAF

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b1ca40;
/* rgb */ color: rgb(177, 202, 64);
/* oklch */ color: oklch(79.5% 0.162 119.1);

Tailwind

colors: {
  custom: {
    50: '#cbda7d',
    500: '#b1ca40',
    950: '#000000',
  },
}

SCSS

$custom: #b1ca40;
$custom-light: #cbda7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ca40",
  "rgb": {
    "r": 177,
    "g": 202,
    "b": 64
  },
  "hsl": {
    "h": 70.87,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.79478,
    "c": 0.16183,
    "h": 119.1
  },
  "luminance": 0.51958
}

Semantic roles & 50–950 ramp

primary

#B1CA40

secondary

#41357A

accent

#48E063

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B1CA40

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

Preview Lab → · Contrast checker → · Palette generator →