#B7C640#B7C640

#B7C640 is a light, vivid yellow. Relative luminance 0.508; OKLCH L 79.0% C 0.155 H 115.5°. Best body text is #000000 at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#B7C640
RGB	rgb(183, 198, 64)
HSL	hsl(67, 54%, 51%)
HSV	hsv(67, 68%, 78%)
CMYK	cmyk(7.6%, 0%, 67.7%, 22.4%)
CIE-LAB	lab(76.57, -22.31, 62.36)
CIE-LCH	lch(76.57, 66.23, 109.69°)
OKLab	oklab(79.04% -0.0669 0.14)
OKLCH	oklch(79.04% 0.155 115.5)
XYZ	xyz(40.6489, 50.8262, 12.5186)
Luminance	0.5083 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7C640 #4F40C6

analogous

#C69240 #B7C640 #74C640

triadic

#B7C640 #40B7C6 #C640B7

tetradic

#B7C640 #40C692 #4F40C6 #C64074

square

#B7C640 #40C692 #4F40C6 #C64074

split-complementary

#B7C640 #4074C6 #9240C6

monochromatic

#636C20 #8F9B2E #B7C640 #C9D46F #DBE29E

Accessibility & contrast

On white

1.88

#B7C640 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.17

#B7C640 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B7C640

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7C640	#FFFFFF	#000000	##000000
##B7C640	1.00	1.88	11.17	11.17
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.17	21.00	1.00	1.00
##000000	11.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC2C

Deuteranopia (green-blind)

#D3BE4A

Tritanopia (blue-blind)

#C2BBAB

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #b7c640;
/* rgb */ color: rgb(183, 198, 64);
/* oklch */ color: oklch(79.0% 0.155 115.5);

Tailwind

colors: {
  custom: {
    50: '#d0d77c',
    500: '#b7c640',
    950: '#000000',
  },
}

SCSS

$custom: #b7c640;
$custom-light: #d0d77c;
$custom-dark: #000000;

JSON

{
  "hex": "#b7c640",
  "rgb": {
    "r": 183,
    "g": 198,
    "b": 64
  },
  "hsl": {
    "h": 66.716,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.79038,
    "c": 0.1552,
    "h": 115.5
  },
  "luminance": 0.50826
}

Semantic roles & 50–950 ramp

primary

#B7C640

secondary

#3C3575

accent

#4ADD5B

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B7C640

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

Preview Lab → · Contrast checker → · Palette generator →