#B4D53A#B4D53A

#B4D53A is a very light, vivid yellow-green. Relative luminance 0.576; OKLCH L 82.1% C 0.177 H 121.1°. Best body text is #000000 at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#B4D53A
RGB	rgb(180, 213, 58)
HSL	hsl(73, 65%, 53%)
HSV	hsv(73, 73%, 84%)
CMYK	cmyk(15.5%, 0%, 72.8%, 16.5%)
CIE-LAB	lab(80.51, -31.04, 68.34)
CIE-LCH	lch(80.51, 75.06, 114.43°)
OKLab	oklab(82.14% -0.0915 0.1517)
OKLCH	oklch(82.14% 0.177 121.1)
XYZ	xyz(43.3811, 57.5973, 12.8342)
Luminance	0.5760 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D53A #5B3AD5

analogous

#D5A83A #B4D53A #66D53A

triadic

#B4D53A #3AB4D5 #D53AB4

tetradic

#B4D53A #3AD5A8 #5B3AD5 #D53A66

square

#B4D53A #3AD5A8 #5B3AD5 #D53A66

split-complementary

#B4D53A #3A66D5 #A83AD5

monochromatic

#667A1A #90AD25 #B4D53A #C7E06C #DAEB9F

Accessibility & contrast

On white

1.68

#B4D53A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.52

#B4D53A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D53A

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D53A	#FFFFFF	#000000	##000000
##B4D53A	1.00	1.68	12.52	12.52
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.52	21.00	1.00	1.00
##000000	12.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C81B

Deuteranopia (green-blind)

#DEC848

Tritanopia (blue-blind)

#BECAB7

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #b4d53a;
/* rgb */ color: rgb(180, 213, 58);
/* oklch */ color: oklch(82.1% 0.177 121.1);

Tailwind

colors: {
  custom: {
    50: '#cee27b',
    500: '#b4d53a',
    950: '#000000',
  },
}

SCSS

$custom: #b4d53a;
$custom-light: #cee27b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d53a",
  "rgb": {
    "r": 180,
    "g": 213,
    "b": 58
  },
  "hsl": {
    "h": 72.774,
    "s": 64.854,
    "l": 53.137
  },
  "oklch": {
    "l": 0.82143,
    "c": 0.17718,
    "h": 121.1
  },
  "luminance": 0.57597
}

Semantic roles & 50–950 ramp

primary

#B4D53A

secondary

#423182

accent

#40E864

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B4D53A

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

Preview Lab → · Contrast checker → · Palette generator →