#B1CA38#B1CA38

#B1CA38 is a light, vivid yellow-green. Relative luminance 0.519; OKLCH L 79.4% C 0.167 H 118.9°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#B1CA38
RGB	rgb(177, 202, 56)
HSL	hsl(70, 58%, 51%)
HSV	hsv(70, 72%, 79%)
CMYK	cmyk(12.4%, 0%, 72.3%, 20.8%)
CIE-LAB	lab(77.21, -27.16, 65.76)
CIE-LCH	lch(77.21, 71.14, 112.44°)
OKLab	oklab(79.42% -0.0808 0.1461)
OKLCH	oklch(79.42% 0.167 118.9)
XYZ	xyz(39.9666, 51.8740, 11.6478)
Luminance	0.5187 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CA38 #5138CA

analogous

#CA9A38 #B1CA38 #68CA38

triadic

#B1CA38 #38B1CA #CA38B1

tetradic

#B1CA38 #38CA9A #5138CA #CA3868

square

#B1CA38 #38CA9A #5138CA #CA3868

split-complementary

#B1CA38 #3868CA #9A38CA

monochromatic

#5E6B1D #889B29 #B1CA38 #C4D768 #D7E499

Accessibility & contrast

On white

1.85

#B1CA38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.37

#B1CA38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CA38

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CA38	#FFFFFF	#000000	##000000
##B1CA38	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)

#D7BF1C

Deuteranopia (green-blind)

#D4BF44

Tritanopia (blue-blind)

#BBBFAE

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b1ca38;
/* rgb */ color: rgb(177, 202, 56);
/* oklch */ color: oklch(79.4% 0.167 118.9);

Tailwind

colors: {
  custom: {
    50: '#ccda79',
    500: '#b1ca38',
    950: '#000000',
  },
}

SCSS

$custom: #b1ca38;
$custom-light: #ccda79;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ca38",
  "rgb": {
    "r": 177,
    "g": 202,
    "b": 56
  },
  "hsl": {
    "h": 70.274,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.79421,
    "c": 0.1669,
    "h": 118.9
  },
  "luminance": 0.51874
}

Semantic roles & 50–950 ramp

primary

#B1CA38

secondary

#3D3175

accent

#47E161

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B1CA38

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

Preview Lab → · Contrast checker → · Palette generator →