#B9D43B#B9D43B

#B9D43B is a very light, vivid yellow-green. Relative luminance 0.577; OKLCH L 82.3% C 0.174 H 119.2°. Best body text is #000000 at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#B9D43B
RGB	rgb(185, 212, 59)
HSL	hsl(71, 64%, 53%)
HSV	hsv(71, 72%, 83%)
CMYK	cmyk(12.7%, 0%, 72.2%, 16.9%)
CIE-LAB	lab(80.58, -28.51, 68.19)
CIE-LCH	lch(80.58, 73.91, 112.69°)
OKLab	oklab(82.29% -0.0847 0.1514)
OKLCH	oklch(82.29% 0.174 119.2)
XYZ	xyz(44.3414, 57.7173, 12.9414)
Luminance	0.5772 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9D43B #563BD4

analogous

#D4A23B #B9D43B #6CD43B

triadic

#B9D43B #3BB9D4 #D43BB9

tetradic

#B9D43B #3BD4A2 #563BD4 #D43B6C

square

#B9D43B #3BD4A2 #563BD4 #D43B6C

split-complementary

#B9D43B #3B6CD4 #A23BD4

monochromatic

#697A1B #94AC26 #B9D43B #CBDF6D #DDEA9F

Accessibility & contrast

On white

1.67

#B9D43B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.54

#B9D43B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9D43B

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9D43B	#FFFFFF	#000000	##000000
##B9D43B	1.00	1.67	12.54	12.54
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.54	21.00	1.00	1.00
##000000	12.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C81D

Deuteranopia (green-blind)

#DFC848

Tritanopia (blue-blind)

#C4C9B7

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #b9d43b;
/* rgb */ color: rgb(185, 212, 59);
/* oklch */ color: oklch(82.3% 0.174 119.2);

Tailwind

colors: {
  custom: {
    50: '#d2e17b',
    500: '#b9d43b',
    950: '#000000',
  },
}

SCSS

$custom: #b9d43b;
$custom-light: #d2e17b;
$custom-dark: #000000;

JSON

{
  "hex": "#b9d43b",
  "rgb": {
    "r": 185,
    "g": 212,
    "b": 59
  },
  "hsl": {
    "h": 70.588,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.82285,
    "c": 0.17351,
    "h": 119.2
  },
  "luminance": 0.57717
}

Semantic roles & 50–950 ramp

primary

#B9D43B

secondary

#403182

accent

#41E75E

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B9D43B

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

Preview Lab → · Contrast checker → · Palette generator →