#B1CA34#B1CA34

#B1CA34 is a light, vivid yellow-green. Relative luminance 0.518; OKLCH L 79.4% C 0.169 H 118.9°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#B1CA34
RGB	rgb(177, 202, 52)
HSL	hsl(70, 59%, 50%)
HSV	hsv(70, 74%, 79%)
CMYK	cmyk(12.4%, 0%, 74.3%, 20.8%)
CIE-LAB	lab(77.18, -27.35, 67.08)
CIE-LCH	lch(77.18, 72.44, 112.18°)
OKLab	oklab(79.4% -0.0816 0.1482)
OKLCH	oklch(79.4% 0.169 118.9)
XYZ	xyz(39.8727, 51.8364, 11.1531)
Luminance	0.5184 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CA34 #4D34CA

analogous

#CA9834 #B1CA34 #66CA34

triadic

#B1CA34 #34B1CA #CA34B1

tetradic

#B1CA34 #34CA98 #4D34CA #CA3466

square

#B1CA34 #34CA98 #4D34CA #CA3466

split-complementary

#B1CA34 #3466CA #9834CA

monochromatic

#5C691B #869927 #B1CA34 #C4D764 #D6E495

Accessibility & contrast

On white

1.85

#B1CA34 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.37

#B1CA34 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CA34

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CA34	#FFFFFF	#000000	##000000
##B1CA34	1.00	1.85	11.37	11.37
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.37	21.00	1.00	1.00
##000000	11.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF12

Deuteranopia (green-blind)

#D5BF41

Tritanopia (blue-blind)

#BCBFAE

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b1ca34;
/* rgb */ color: rgb(177, 202, 52);
/* oklch */ color: oklch(79.4% 0.169 118.9);

Tailwind

colors: {
  custom: {
    50: '#ccda77',
    500: '#b1ca34',
    950: '#000000',
  },
}

SCSS

$custom: #b1ca34;
$custom-light: #ccda77;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ca34",
  "rgb": {
    "r": 177,
    "g": 202,
    "b": 52
  },
  "hsl": {
    "h": 70,
    "s": 59.055,
    "l": 49.804
  },
  "oklch": {
    "l": 0.79396,
    "c": 0.16919,
    "h": 118.9
  },
  "luminance": 0.51836
}

Semantic roles & 50–950 ramp

primary

#B1CA34

secondary

#3B3073

accent

#46E260

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B1CA34

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

Preview Lab → · Contrast checker → · Palette generator →