#B1D134#B1D134

#B1D134 is a light, vivid yellow-green. Relative luminance 0.552; OKLCH L 81.0% C 0.177 H 120.8°. Best body text is #000000 at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#B1D134
RGB	rgb(177, 209, 52)
HSL	hsl(72, 63%, 51%)
HSV	hsv(72, 75%, 82%)
CMYK	cmyk(15.3%, 0%, 75.1%, 18%)
CIE-LAB	lab(79.15, -30.67, 68.94)
CIE-LCH	lch(79.15, 75.45, 113.98°)
OKLab	oklab(80.98% -0.0907 0.1521)
OKLCH	oklch(80.98% 0.177 120.8)
XYZ	xyz(41.5525, 55.1960, 11.7130)
Luminance	0.5520 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D134 #5434D1

analogous

#D1A234 #B1D134 #62D134

triadic

#B1D134 #34B1D1 #D134B1

tetradic

#B1D134 #34D1A2 #5434D1 #D13462

square

#B1D134 #34D1A2 #5434D1 #D13462

split-complementary

#B1D134 #3462D1 #A234D1

monochromatic

#5F711A #89A325 #B1D134 #C4DC66 #D7E898

Accessibility & contrast

On white

1.74

#B1D134 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.04

#B1D134 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D134

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D134	#FFFFFF	#000000	##000000
##B1D134	1.00	1.74	12.04	12.04
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.04	21.00	1.00	1.00
##000000	12.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC40C

Deuteranopia (green-blind)

#DAC443

Tritanopia (blue-blind)

#BBC6B3

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #b1d134;
/* rgb */ color: rgb(177, 209, 52);
/* oklch */ color: oklch(81.0% 0.177 120.8);

Tailwind

colors: {
  custom: {
    50: '#ccdf77',
    500: '#b1d134',
    950: '#000000',
  },
}

SCSS

$custom: #b1d134;
$custom-light: #ccdf77;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d134",
  "rgb": {
    "r": 177,
    "g": 209,
    "b": 52
  },
  "hsl": {
    "h": 72.229,
    "s": 63.052,
    "l": 51.176
  },
  "oklch": {
    "l": 0.80984,
    "c": 0.17712,
    "h": 120.8
  },
  "luminance": 0.55196
}

Semantic roles & 50–950 ramp

primary

#B1D134

secondary

#3E2F7A

accent

#42E663

background

#FEFEFB

surface

#FBFCF1

border

#D4D5CB

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1D134

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

Preview Lab → · Contrast checker → · Palette generator →