#B1BD39#B1BD39

#B1BD39 is a light, vivid yellow. Relative luminance 0.460; OKLCH L 76.5% C 0.152 H 114.5°. Best body text is #000000 at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#B1BD39
RGB	rgb(177, 189, 57)
HSL	hsl(65, 54%, 48%)
HSV	hsv(65, 70%, 74%)
CMYK	cmyk(6.3%, 0%, 69.8%, 25.9%)
CIE-LAB	lab(73.57, -20.77, 61.84)
CIE-LCH	lch(73.57, 65.24, 108.57°)
OKLab	oklab(76.5% -0.063 0.138)
OKLCH	oklch(76.5% 0.152 114.5)
XYZ	xyz(37.0686, 46.0384, 10.8037)
Luminance	0.4604 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BD39 #4539BD

analogous

#BD8739 #B1BD39 #6FBD39

triadic

#B1BD39 #39B1BD #BD39B1

tetradic

#B1BD39 #39BD87 #4539BD #BD396F

square

#B1BD39 #39BD87 #4539BD #BD396F

split-complementary

#B1BD39 #396FBD #8739BD

monochromatic

#595F1D #858E2B #B1BD39 #C6D063 #D7DE92

Accessibility & contrast

On white

2.06

#B1BD39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.21

#B1BD39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BD39

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BD39	#FFFFFF	#000000	##000000
##B1BD39	1.00	2.06	10.21	10.21
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.21	21.00	1.00	1.00
##000000	10.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB423

Deuteranopia (green-blind)

#CAB643

Tritanopia (blue-blind)

#BCB2A3

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #b1bd39;
/* rgb */ color: rgb(177, 189, 57);
/* oklch */ color: oklch(76.5% 0.152 114.5);

Tailwind

colors: {
  custom: {
    50: '#ccd078',
    500: '#b1bd39',
    950: '#000000',
  },
}

SCSS

$custom: #b1bd39;
$custom-light: #ccd078;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bd39",
  "rgb": {
    "r": 177,
    "g": 189,
    "b": 57
  },
  "hsl": {
    "h": 65.455,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.76503,
    "c": 0.15166,
    "h": 114.5
  },
  "luminance": 0.46038
}

Semantic roles & 50–950 ramp

primary

#B1BD39

secondary

#8E89C9

accent

#4BDD58

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#141409

muted

#82827B

Preview Lab

Preview with #B1BD39

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

Preview Lab → · Contrast checker → · Palette generator →