#B1CA38#B1CA38

#B1CA38 is a light, vivid yellow-green. Relative luminance 0.519; OKLCH L 79.4% C 0.167 H 118.9°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX#B1CA38
RGBrgb(177, 202, 56)
HSLhsl(70, 58%, 51%)
HSVhsv(70, 72%, 79%)
CMYKcmyk(12.4%, 0%, 72.3%, 20.8%)
CIE-LABlab(77.21, -27.16, 65.76)
CIE-LCHlch(77.21, 71.14, 112.44°)
OKLaboklab(79.42% -0.0808 0.1461)
OKLCHoklch(79.42% 0.167 118.9)
XYZxyz(39.9666, 51.8740, 11.6478)
Luminance0.5187 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1CA38 #5138CA
analogous
#CA9A38 #B1CA38 #68CA38
triadic
#B1CA38 #38B1CA #CA38B1
tetradic
#B1CA38 #38CA9A #5138CA #CA3868
square
#B1CA38 #38CA9A #5138CA #CA3868
split-complementary
#B1CA38 #3868CA #9A38CA
monochromatic
#5E6B1D #889B29 #B1CA38 #C4D768 #D7E499

Accessibility & contrast

On white

1.85
#B1CA38 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.37
#B1CA38 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CA38
11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1CA38#FFFFFF#000000##000000
##B1CA381.001.8511.3711.37
#FFFFFF1.851.0021.0021.00
#00000011.3721.001.001.00
##00000011.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#D7BF1C
Deuteranopia (green-blind)
#D4BF44
Tritanopia (blue-blind)
#BBBFAE
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #b1ca38;
/* rgb */ color: rgb(177, 202, 56);
/* oklch */ color: oklch(79.4% 0.167 118.9);
Tailwind
colors: {
  custom: {
    50: '#ccda79',
    500: '#b1ca38',
    950: '#000000',
  },
}
SCSS
$custom: #b1ca38;
$custom-light: #ccda79;
$custom-dark: #000000;
JSON
{
  "hex": "#b1ca38",
  "rgb": {
    "r": 177,
    "g": 202,
    "b": 56
  },
  "hsl": {
    "h": 70.274,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.79421,
    "c": 0.1669,
    "h": 118.9
  },
  "luminance": 0.51874
}

Semantic roles & 50–950 ramp

primary
#B1CA38
secondary
#3D3175
accent
#47E161
background
#FEFEFB
surface
#FBFBF2
border
#D4D4CC
text
#14140A
muted
#83837D

Preview Lab

Preview with #B1CA38

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

Preview Lab → · Contrast checker → · Palette generator →

#B1CA38 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva