#B9D23B#B9D23B

#B9D23B is a light, vivid yellow. Relative luminance 0.567; OKLCH L 81.8% C 0.171 H 118.6°. Best body text is #000000 at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#B9D23B
RGB	rgb(185, 210, 59)
HSL	hsl(70, 63%, 53%)
HSV	hsv(70, 72%, 82%)
CMYK	cmyk(11.9%, 0%, 71.9%, 17.6%)
CIE-LAB	lab(80.02, -27.56, 67.65)
CIE-LCH	lch(80.02, 73.05, 112.17°)
OKLab	oklab(81.84% -0.0821 0.1503)
OKLCH	oklch(81.84% 0.171 118.6)
XYZ	xyz(43.8445, 56.7236, 12.7758)
Luminance	0.5672 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9D23B #543BD2

analogous

#D2A03B #B9D23B #6DD23B

triadic

#B9D23B #3BB9D2 #D23BB9

tetradic

#B9D23B #3BD2A0 #543BD2 #D23B6D

square

#B9D23B #3BD2A0 #543BD2 #D23B6D

split-complementary

#B9D23B #3B6DD2 #A03BD2

monochromatic

#68771B #93A927 #B9D23B #CBDD6D #DDE99F

Accessibility & contrast

On white

1.70

#B9D23B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.34

#B9D23B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9D23B

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9D23B	#FFFFFF	#000000	##000000
##B9D23B	1.00	1.70	12.34	12.34
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.34	21.00	1.00	1.00
##000000	12.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C61E

Deuteranopia (green-blind)

#DDC748

Tritanopia (blue-blind)

#C4C7B5

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #b9d23b;
/* rgb */ color: rgb(185, 210, 59);
/* oklch */ color: oklch(81.8% 0.171 118.6);

Tailwind

colors: {
  custom: {
    50: '#d2df7b',
    500: '#b9d23b',
    950: '#000000',
  },
}

SCSS

$custom: #b9d23b;
$custom-light: #d2df7b;
$custom-dark: #000000;

JSON

{
  "hex": "#b9d23b",
  "rgb": {
    "r": 185,
    "g": 210,
    "b": 59
  },
  "hsl": {
    "h": 69.934,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.81836,
    "c": 0.17124,
    "h": 118.6
  },
  "luminance": 0.56723
}

Semantic roles & 50–950 ramp

primary

#B9D23B

secondary

#3F327F

accent

#42E65D

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B9D23B

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

Preview Lab → · Contrast checker → · Palette generator →