#B1CA45#B1CA45

#B1CA45 is a light, vivid yellow-green. Relative luminance 0.520; OKLCH L 79.5% C 0.158 H 119.3°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#B1CA45
RGB	rgb(177, 202, 69)
HSL	hsl(71, 56%, 53%)
HSV	hsv(71, 66%, 79%)
CMYK	cmyk(12.4%, 0%, 65.8%, 20.8%)
CIE-LAB	lab(77.29, -26.41, 61.01)
CIE-LCH	lch(77.29, 66.48, 113.41°)
OKLab	oklab(79.52% -0.0775 0.1381)
OKLCH	oklch(79.52% 0.158 119.3)
XYZ	xyz(40.3269, 52.0181, 13.5451)
Luminance	0.5202 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CA45 #5E45CA

analogous

#CAA045 #B1CA45 #6ECA45

triadic

#B1CA45 #45B1CA #CA45B1

tetradic

#B1CA45 #45CAA0 #5E45CA #CA456E

square

#B1CA45 #45CAA0 #5E45CA #CA456E

split-complementary

#B1CA45 #456ECA #A045CA

monochromatic

#647421 #8DA32F #B1CA45 #C5D875 #D9E5A4

Accessibility & contrast

On white

1.84

#B1CA45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#B1CA45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CA45

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CA45	#FFFFFF	#000000	##000000
##B1CA45	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF32

Deuteranopia (green-blind)

#D4BF4F

Tritanopia (blue-blind)

#BBC0AF

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b1ca45;
/* rgb */ color: rgb(177, 202, 69);
/* oklch */ color: oklch(79.5% 0.158 119.3);

Tailwind

colors: {
  custom: {
    50: '#cbda7f',
    500: '#b1ca45',
    950: '#000000',
  },
}

SCSS

$custom: #b1ca45;
$custom-light: #cbda7f;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ca45",
  "rgb": {
    "r": 177,
    "g": 202,
    "b": 69
  },
  "hsl": {
    "h": 71.278,
    "s": 55.649,
    "l": 53.137
  },
  "oklch": {
    "l": 0.79518,
    "c": 0.15835,
    "h": 119.3
  },
  "luminance": 0.52018
}

Semantic roles & 50–950 ramp

primary

#B1CA45

secondary

#44377D

accent

#49DF65

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140B

muted

#83837E

Preview Lab

Preview with #B1CA45

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

Preview Lab → · Contrast checker → · Palette generator →