#B3C640#B3C640

#B3C640 is a light, vivid yellow. Relative luminance 0.503; OKLCH L 78.7% C 0.157 H 117.1°. Best body text is #000000 at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#B3C640
RGB	rgb(179, 198, 64)
HSL	hsl(69, 54%, 51%)
HSV	hsv(69, 68%, 78%)
CMYK	cmyk(9.6%, 0%, 67.7%, 22.4%)
CIE-LAB	lab(76.28, -23.97, 61.96)
CIE-LCH	lch(76.28, 66.44, 111.14°)
OKLab	oklab(78.73% -0.0713 0.1393)
OKLCH	oklch(78.73% 0.157 117.1)
XYZ	xyz(39.7108, 50.3425, 12.4746)
Luminance	0.5034 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3C640 #5340C6

analogous

#C69640 #B3C640 #70C640

triadic

#B3C640 #40B3C6 #C640B3

tetradic

#B3C640 #40C696 #5340C6 #C64070

square

#B3C640 #40C696 #5340C6 #C64070

split-complementary

#B3C640 #4070C6 #9640C6

monochromatic

#616C20 #8B9B2E #B3C640 #C6D46F #D9E29E

Accessibility & contrast

On white

1.90

#B3C640 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.07

#B3C640 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3C640

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3C640	#FFFFFF	#000000	##000000
##B3C640	1.00	1.90	11.07	11.07
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.07	21.00	1.00	1.00
##000000	11.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BC2C

Deuteranopia (green-blind)

#D1BD4A

Tritanopia (blue-blind)

#BEBBAB

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b3c640;
/* rgb */ color: rgb(179, 198, 64);
/* oklch */ color: oklch(78.7% 0.157 117.1);

Tailwind

colors: {
  custom: {
    50: '#cdd77c',
    500: '#b3c640',
    950: '#000000',
  },
}

SCSS

$custom: #b3c640;
$custom-light: #cdd77c;
$custom-dark: #000000;

JSON

{
  "hex": "#b3c640",
  "rgb": {
    "r": 179,
    "g": 198,
    "b": 64
  },
  "hsl": {
    "h": 68.507,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.78728,
    "c": 0.1565,
    "h": 117.1
  },
  "luminance": 0.50342
}

Semantic roles & 50–950 ramp

primary

#B3C640

secondary

#3E3575

accent

#4ADD5F

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B3C640

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

Preview Lab → · Contrast checker → · Palette generator →