#B1CA3F#B1CA3F

#B1CA3F is a light, vivid yellow-green. Relative luminance 0.519; OKLCH L 79.5% C 0.163 H 119.1°. Best body text is #000000 at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#B1CA3F
RGB	rgb(177, 202, 63)
HSL	hsl(71, 57%, 52%)
HSV	hsv(71, 69%, 79%)
CMYK	cmyk(12.4%, 0%, 68.8%, 20.8%)
CIE-LAB	lab(77.25, -26.77, 63.28)
CIE-LCH	lch(77.25, 68.71, 112.93°)
OKLab	oklab(79.47% -0.0791 0.142)
OKLCH	oklch(79.47% 0.163 119.1)
XYZ	xyz(40.1500, 51.9473, 12.6134)
Luminance	0.5195 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CA3F #583FCA

analogous

#CA9D3F #B1CA3F #6CCA3F

triadic

#B1CA3F #3FB1CA #CA3FB1

tetradic

#B1CA3F #3FCA9D #583FCA #CA3F6C

square

#B1CA3F #3FCA9D #583FCA #CA3F6C

split-complementary

#B1CA3F #3F6CCA #9D3FCA

monochromatic

#61701F #8BA02C #B1CA3F #C4D76F #D8E49F

Accessibility & contrast

On white

1.84

#B1CA3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.39

#B1CA3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CA3F

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CA3F	#FFFFFF	#000000	##000000
##B1CA3F	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)

#D7BF29

Deuteranopia (green-blind)

#D4BF4A

Tritanopia (blue-blind)

#BBBFAE

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b1ca3f;
/* rgb */ color: rgb(177, 202, 63);
/* oklch */ color: oklch(79.5% 0.163 119.1);

Tailwind

colors: {
  custom: {
    50: '#ccda7c',
    500: '#b1ca3f',
    950: '#000000',
  },
}

SCSS

$custom: #b1ca3f;
$custom-light: #ccda7c;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ca3f",
  "rgb": {
    "r": 177,
    "g": 202,
    "b": 63
  },
  "hsl": {
    "h": 70.791,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.7947,
    "c": 0.1625,
    "h": 119.1
  },
  "luminance": 0.51947
}

Semantic roles & 50–950 ramp

primary

#B1CA3F

secondary

#413479

accent

#48E063

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B1CA3F

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

Preview Lab → · Contrast checker → · Palette generator →