#B1CA49#B1CA49

#B1CA49 is a light, vivid yellow-green. Relative luminance 0.521; OKLCH L 79.6% C 0.155 H 119.4°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#B1CA49
RGB	rgb(177, 202, 73)
HSL	hsl(72, 55%, 54%)
HSV	hsv(72, 64%, 79%)
CMYK	cmyk(12.4%, 0%, 63.9%, 20.8%)
CIE-LAB	lab(77.32, -26.14, 59.43)
CIE-LCH	lch(77.32, 64.92, 113.74°)
OKLab	oklab(79.55% -0.0764 0.1353)
OKLCH	oklch(79.55% 0.155 119.4)
XYZ	xyz(40.4552, 52.0694, 14.2212)
Luminance	0.5207 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CA49 #6249CA

analogous

#CAA349 #B1CA49 #71CA49

triadic

#B1CA49 #49B1CA #CA49B1

tetradic

#B1CA49 #49CAA3 #6249CA #CA4971

square

#B1CA49 #49CAA3 #6249CA #CA4971

split-complementary

#B1CA49 #4971CA #A349CA

monochromatic

#667622 #8FA630 #B1CA49 #C5D878 #DAE6A8

Accessibility & contrast

On white

1.84

#B1CA49 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.41

#B1CA49 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CA49

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CA49	#FFFFFF	#000000	##000000
##B1CA49	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)

#D6BF38

Deuteranopia (green-blind)

#D3BF52

Tritanopia (blue-blind)

#BBC0AF

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b1ca49;
/* rgb */ color: rgb(177, 202, 73);
/* oklch */ color: oklch(79.6% 0.155 119.4);

Tailwind

colors: {
  custom: {
    50: '#cbda82',
    500: '#b1ca49',
    950: '#000000',
  },
}

SCSS

$custom: #b1ca49;
$custom-light: #cbda82;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ca49",
  "rgb": {
    "r": 177,
    "g": 202,
    "b": 73
  },
  "hsl": {
    "h": 71.628,
    "s": 54.894,
    "l": 53.922
  },
  "oklch": {
    "l": 0.79552,
    "c": 0.15539,
    "h": 119.4
  },
  "luminance": 0.52069
}

Semantic roles & 50–950 ramp

primary

#B1CA49

secondary

#46387F

accent

#4ADE66

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140B

muted

#83837E

Preview Lab

Preview with #B1CA49

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

Preview Lab → · Contrast checker → · Palette generator →