#B5CB3B#B5CB3B

#B5CB3B is a light, vivid yellow. Relative luminance 0.529; OKLCH L 80.0% C 0.165 H 117.9°. Best body text is #000000 at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#B5CB3B
RGB	rgb(181, 203, 59)
HSL	hsl(69, 58%, 51%)
HSV	hsv(69, 71%, 80%)
CMYK	cmyk(10.8%, 0%, 70.9%, 20.4%)
CIE-LAB	lab(77.79, -25.84, 65.37)
CIE-LCH	lch(77.79, 70.29, 111.57°)
OKLab	oklab(79.97% -0.0771 0.1456)
OKLCH	oklch(79.97% 0.165 117.9)
XYZ	xyz(41.2023, 52.8518, 12.1677)
Luminance	0.5285 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5CB3B #513BCB

analogous

#CB993B #B5CB3B #6DCB3B

triadic

#B5CB3B #3BB5CB #CB3BB5

tetradic

#B5CB3B #3BCB99 #513BCB #CB3B6D

square

#B5CB3B #3BCB99 #513BCB #CB3B6D

split-complementary

#B5CB3B #3B6DCB #993BCB

monochromatic

#626E1D #8D9F2A #B5CB3B #C7D86B #DAE59C

Accessibility & contrast

On white

1.82

#B5CB3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.57

#B5CB3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5CB3B

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5CB3B	#FFFFFF	#000000	##000000
##B5CB3B	1.00	1.82	11.57	11.57
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.57	21.00	1.00	1.00
##000000	11.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C021

Deuteranopia (green-blind)

#D6C147

Tritanopia (blue-blind)

#C0C0AF

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #b5cb3b;
/* rgb */ color: rgb(181, 203, 59);
/* oklch */ color: oklch(80.0% 0.165 117.9);

Tailwind

colors: {
  custom: {
    50: '#cfda7a',
    500: '#b5cb3b',
    950: '#000000',
  },
}

SCSS

$custom: #b5cb3b;
$custom-light: #cfda7a;
$custom-dark: #000000;

JSON

{
  "hex": "#b5cb3b",
  "rgb": {
    "r": 181,
    "g": 203,
    "b": 59
  },
  "hsl": {
    "h": 69.167,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.79966,
    "c": 0.16477,
    "h": 117.9
  },
  "luminance": 0.52851
}

Semantic roles & 50–950 ramp

primary

#B5CB3B

secondary

#3D3378

accent

#47E15E

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B5CB3B

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

Preview Lab → · Contrast checker → · Palette generator →