#B1CA3A#B1CA3A

#B1CA3A is a light, vivid yellow-green. Relative luminance 0.519; OKLCH L 79.4% C 0.166 H 119.0°. Best body text is #000000 at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#B1CA3A
RGB	rgb(177, 202, 58)
HSL	hsl(70, 58%, 51%)
HSV	hsv(70, 71%, 79%)
CMYK	cmyk(12.4%, 0%, 71.3%, 20.8%)
CIE-LAB	lab(77.22, -27.05, 65.07)
CIE-LCH	lch(77.22, 70.47, 112.58°)
OKLab	oklab(79.43% -0.0803 0.1449)
OKLCH	oklch(79.43% 0.166 119)
XYZ	xyz(40.0165, 51.8939, 11.9106)
Luminance	0.5189 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CA3A #533ACA

analogous

#CA9B3A #B1CA3A #69CA3A

triadic

#B1CA3A #3AB1CA #CA3AB1

tetradic

#B1CA3A #3ACA9B #533ACA #CA3A69

square

#B1CA3A #3ACA9B #533ACA #CA3A69

split-complementary

#B1CA3A #3A69CA #9B3ACA

monochromatic

#5F6C1D #899D2A #B1CA3A #C4D76A #D7E49A

Accessibility & contrast

On white

1.85

#B1CA3A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.38

#B1CA3A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CA3A

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CA3A	#FFFFFF	#000000	##000000
##B1CA3A	1.00	1.85	11.38	11.38
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.38	21.00	1.00	1.00
##000000	11.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF20

Deuteranopia (green-blind)

#D4BF46

Tritanopia (blue-blind)

#BBBFAE

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b1ca3a;
/* rgb */ color: rgb(177, 202, 58);
/* oklch */ color: oklch(79.4% 0.166 119.0);

Tailwind

colors: {
  custom: {
    50: '#ccda7a',
    500: '#b1ca3a',
    950: '#000000',
  },
}

SCSS

$custom: #b1ca3a;
$custom-light: #ccda7a;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ca3a",
  "rgb": {
    "r": 177,
    "g": 202,
    "b": 58
  },
  "hsl": {
    "h": 70.417,
    "s": 57.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.79434,
    "c": 0.1657,
    "h": 119
  },
  "luminance": 0.51894
}

Semantic roles & 50–950 ramp

primary

#B1CA3A

secondary

#3E3276

accent

#47E162

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B1CA3A

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

Preview Lab → · Contrast checker → · Palette generator →