#B1CA47#B1CA47

#B1CA47 is a light, vivid yellow-green. Relative luminance 0.520; OKLCH L 79.5% C 0.157 H 119.4°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#B1CA47
RGB	rgb(177, 202, 71)
HSL	hsl(71, 55%, 54%)
HSV	hsv(71, 65%, 79%)
CMYK	cmyk(12.4%, 0%, 64.9%, 20.8%)
CIE-LAB	lab(77.31, -26.28, 60.22)
CIE-LCH	lch(77.31, 65.71, 113.57°)
OKLab	oklab(79.54% -0.0769 0.1367)
OKLCH	oklch(79.54% 0.157 119.4)
XYZ	xyz(40.3900, 52.0433, 13.8776)
Luminance	0.5204 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CA47 #6047CA

analogous

#CAA147 #B1CA47 #6FCA47

triadic

#B1CA47 #47B1CA #CA47B1

tetradic

#B1CA47 #47CAA1 #6047CA #CA476F

square

#B1CA47 #47CAA1 #6047CA #CA476F

split-complementary

#B1CA47 #476FCA #A147CA

monochromatic

#657522 #8EA42F #B1CA47 #C5D877 #D9E5A6

Accessibility & contrast

On white

1.84

#B1CA47 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.41

#B1CA47 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CA47

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CA47	#FFFFFF	#000000	##000000
##B1CA47	1.00	1.84	11.41	11.41
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.41	21.00	1.00	1.00
##000000	11.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BF35

Deuteranopia (green-blind)

#D4BF50

Tritanopia (blue-blind)

#BBC0AF

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b1ca47;
/* rgb */ color: rgb(177, 202, 71);
/* oklch */ color: oklch(79.5% 0.157 119.4);

Tailwind

colors: {
  custom: {
    50: '#cbda81',
    500: '#b1ca47',
    950: '#000000',
  },
}

SCSS

$custom: #b1ca47;
$custom-light: #cbda81;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ca47",
  "rgb": {
    "r": 177,
    "g": 202,
    "b": 71
  },
  "hsl": {
    "h": 71.45,
    "s": 55.274,
    "l": 53.529
  },
  "oklch": {
    "l": 0.79535,
    "c": 0.15689,
    "h": 119.4
  },
  "luminance": 0.52043
}

Semantic roles & 50–950 ramp

primary

#B1CA47

secondary

#45387E

accent

#49DF66

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140B

muted

#83837E

Preview Lab

Preview with #B1CA47

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

Preview Lab → · Contrast checker → · Palette generator →