#B3C638#B3C638

#B3C638 is a light, vivid yellow. Relative luminance 0.503; OKLCH L 78.7% C 0.162 H 116.9°. Best body text is #000000 at 11.05:1 contrast (WCAG AA passes).

Color values

HEX#B3C638
RGBrgb(179, 198, 56)
HSLhsl(68, 56%, 50%)
HSVhsv(68, 72%, 78%)
CMYKcmyk(9.6%, 0%, 71.7%, 22.4%)
CIE-LABlab(76.23, -24.41, 64.86)
CIE-LCHlch(76.23, 69.30, 110.62°)
OKLaboklab(78.67% -0.0733 0.1441)
OKLCHoklch(78.67% 0.162 116.9)
XYZxyz(39.4992, 50.2579, 11.3605)
Luminance0.5026 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B3C638 #4B38C6
analogous
#C69238 #B3C638 #6CC638
triadic
#B3C638 #38B3C6 #C638B3
tetradic
#B3C638 #38C692 #4B38C6 #C6386C
square
#B3C638 #38C692 #4B38C6 #C6386C
split-complementary
#B3C638 #386CC6 #9238C6
monochromatic
#5D671D #88962B #B3C638 #C5D467 #D8E297

Accessibility & contrast

On white

1.90
#B3C638 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.05
#B3C638 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3C638
11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B3C638#FFFFFF#000000##000000
##B3C6381.001.9011.0511.05
#FFFFFF1.901.0021.0021.00
#00000011.0521.001.001.00
##00000011.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#D4BB1E
Deuteranopia (green-blind)
#D2BD44
Tritanopia (blue-blind)
#BEBBAA
Achromatopsia (no color)
#BCBCBC

Design tokens & code

CSS
--color: #b3c638;
/* rgb */ color: rgb(179, 198, 56);
/* oklch */ color: oklch(78.7% 0.162 116.9);
Tailwind
colors: {
  custom: {
    50: '#cdd778',
    500: '#b3c638',
    950: '#000000',
  },
}
SCSS
$custom: #b3c638;
$custom-light: #cdd778;
$custom-dark: #000000;
JSON
{
  "hex": "#b3c638",
  "rgb": {
    "r": 179,
    "g": 198,
    "b": 56
  },
  "hsl": {
    "h": 68.028,
    "s": 55.906,
    "l": 49.804
  },
  "oklch": {
    "l": 0.7867,
    "c": 0.16166,
    "h": 116.9
  },
  "luminance": 0.50257
}

Semantic roles & 50–950 ramp

primary
#B3C638
secondary
#3A3171
accent
#49DF5D
background
#FEFEFB
surface
#FBFBF1
border
#D4D4CB
text
#14140A
muted
#83837D

Preview Lab

Preview with #B3C638

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

Preview Lab → · Contrast checker → · Palette generator →

#B3C638 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva