#B7C538#B7C538

#B7C538 is a light, vivid yellow. Relative luminance 0.503; OKLCH L 78.8% C 0.159 H 115.1°. Best body text is #000000 at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#B7C538
RGB	rgb(183, 197, 56)
HSL	hsl(66, 56%, 50%)
HSV	hsv(66, 72%, 77%)
CMYK	cmyk(7.1%, 0%, 71.6%, 22.7%)
CIE-LAB	lab(76.24, -22.26, 64.98)
CIE-LCH	lch(76.24, 68.68, 108.91°)
OKLab	oklab(78.76% -0.0675 0.1442)
OKLCH	oklch(78.76% 0.159 115.1)
XYZ	xyz(40.2096, 50.2860, 11.3286)
Luminance	0.5029 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7C538 #4638C5

analogous

#C58C38 #B7C538 #71C538

triadic

#B7C538 #38B7C5 #C538B7

tetradic

#B7C538 #38C58C #4638C5 #C53871

square

#B7C538 #38C58C #4638C5 #C53871

split-complementary

#B7C538 #3871C5 #8C38C5

monochromatic

#5E661D #8B952A #B7C538 #C9D467 #DAE196

Accessibility & contrast

On white

1.90

#B7C538 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.06

#B7C538 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B7C538

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7C538	#FFFFFF	#000000	##000000
##B7C538	1.00	1.90	11.06	11.06
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.06	21.00	1.00	1.00
##000000	11.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB1E

Deuteranopia (green-blind)

#D2BD43

Tritanopia (blue-blind)

#C3BAAA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b7c538;
/* rgb */ color: rgb(183, 197, 56);
/* oklch */ color: oklch(78.8% 0.159 115.1);

Tailwind

colors: {
  custom: {
    50: '#d0d678',
    500: '#b7c538',
    950: '#000000',
  },
}

SCSS

$custom: #b7c538;
$custom-light: #d0d678;
$custom-dark: #000000;

JSON

{
  "hex": "#b7c538",
  "rgb": {
    "r": 183,
    "g": 197,
    "b": 56
  },
  "hsl": {
    "h": 65.957,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.78758,
    "c": 0.15926,
    "h": 115.1
  },
  "luminance": 0.50285
}

Semantic roles & 50–950 ramp

primary

#B7C538

secondary

#373170

accent

#49DF58

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#14140A

muted

#83837D

Preview Lab

Preview with #B7C538

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

Preview Lab → · Contrast checker → · Palette generator →