#B3C540#B3C540

#B3C540 is a light, vivid yellow. Relative luminance 0.499; OKLCH L 78.5% C 0.155 H 116.8°. Best body text is #000000 at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#B3C540
RGB	rgb(179, 197, 64)
HSL	hsl(68, 53%, 51%)
HSV	hsv(68, 68%, 77%)
CMYK	cmyk(9.1%, 0%, 67.5%, 22.7%)
CIE-LAB	lab(76.00, -23.48, 61.68)
CIE-LCH	lch(76.00, 66.00, 110.84°)
OKLab	oklab(78.5% -0.0699 0.1387)
OKLCH	oklch(78.5% 0.155 116.8)
XYZ	xyz(39.4830, 49.8869, 12.3987)
Luminance	0.4989 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3C540 #5240C5

analogous

#C59440 #B3C540 #70C540

triadic

#B3C540 #40B3C5 #C540B3

tetradic

#B3C540 #40C594 #5240C5 #C54070

square

#B3C540 #40C594 #5240C5 #C54070

split-complementary

#B3C540 #4070C5 #9440C5

monochromatic

#606A20 #8B992F #B3C540 #C6D36F #D8E29E

Accessibility & contrast

On white

1.91

#B3C540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.98

#B3C540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3C540

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3C540	#FFFFFF	#000000	##000000
##B3C540	1.00	1.91	10.98	10.98
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.98	21.00	1.00	1.00
##000000	10.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BB2C

Deuteranopia (green-blind)

#D1BC4A

Tritanopia (blue-blind)

#BEBAAA

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #b3c540;
/* rgb */ color: rgb(179, 197, 64);
/* oklch */ color: oklch(78.5% 0.155 116.8);

Tailwind

colors: {
  custom: {
    50: '#cdd67c',
    500: '#b3c540',
    950: '#000000',
  },
}

SCSS

$custom: #b3c540;
$custom-light: #cdd67c;
$custom-dark: #000000;

JSON

{
  "hex": "#b3c540",
  "rgb": {
    "r": 179,
    "g": 197,
    "b": 64
  },
  "hsl": {
    "h": 68.12,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.78504,
    "c": 0.15534,
    "h": 116.8
  },
  "luminance": 0.49886
}

Semantic roles & 50–950 ramp

primary

#B3C540

secondary

#9B93CE

accent

#4BDD5F

background

#FDFDF7

surface

#FAFAEE

border

#D3D3C9

text

#14140A

muted

#83837C

Preview Lab

Preview with #B3C540

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

Preview Lab → · Contrast checker → · Palette generator →