#B1CD38#B1CD38

#B1CD38 is a light, vivid yellow-green. Relative luminance 0.533; OKLCH L 80.1% C 0.170 H 119.8°. Best body text is #000000 at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#B1CD38
RGB	rgb(177, 205, 56)
HSL	hsl(71, 60%, 51%)
HSV	hsv(71, 73%, 80%)
CMYK	cmyk(13.7%, 0%, 72.7%, 19.6%)
CIE-LAB	lab(78.05, -28.59, 66.57)
CIE-LCH	lch(78.05, 72.45, 113.24°)
OKLab	oklab(80.1% -0.0847 0.1478)
OKLCH	oklch(80.1% 0.17 119.8)
XYZ	xyz(40.6774, 53.2955, 11.8847)
Luminance	0.5330 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CD38 #5438CD

analogous

#CD9E38 #B1CD38 #66CD38

triadic

#B1CD38 #38B1CD #CD38B1

tetradic

#B1CD38 #38CD9E #5438CD #CD3866

square

#B1CD38 #38CD9E #5438CD #CD3866

split-complementary

#B1CD38 #3866CD #9E38CD

monochromatic

#5F6F1C #89A028 #B1CD38 #C4D969 #D7E69A

Accessibility & contrast

On white

1.80

#B1CD38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.66

#B1CD38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CD38

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CD38	#FFFFFF	#000000	##000000
##B1CD38	1.00	1.80	11.66	11.66
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.66	21.00	1.00	1.00
##000000	11.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC11A

Deuteranopia (green-blind)

#D7C145

Tritanopia (blue-blind)

#BBC2B0

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #b1cd38;
/* rgb */ color: rgb(177, 205, 56);
/* oklch */ color: oklch(80.1% 0.170 119.8);

Tailwind

colors: {
  custom: {
    50: '#ccdc79',
    500: '#b1cd38',
    950: '#000000',
  },
}

SCSS

$custom: #b1cd38;
$custom-light: #ccdc79;
$custom-dark: #000000;

JSON

{
  "hex": "#b1cd38",
  "rgb": {
    "r": 177,
    "g": 205,
    "b": 56
  },
  "hsl": {
    "h": 71.275,
    "s": 59.839,
    "l": 51.176
  },
  "oklch": {
    "l": 0.801,
    "c": 0.17032,
    "h": 119.8
  },
  "luminance": 0.53295
}

Semantic roles & 50–950 ramp

primary

#B1CD38

secondary

#3E3178

accent

#45E363

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1CD38

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

Preview Lab → · Contrast checker → · Palette generator →