#B4D23B#B4D23B

#B4D23B is a light, vivid yellow-green. Relative luminance 0.561; OKLCH L 81.5% C 0.173 H 120.3°. Best body text is #000000 at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#B4D23B
RGB	rgb(180, 210, 59)
HSL	hsl(72, 63%, 53%)
HSV	hsv(72, 72%, 82%)
CMYK	cmyk(14.3%, 0%, 71.9%, 17.6%)
CIE-LAB	lab(79.68, -29.58, 67.19)
CIE-LCH	lch(79.68, 73.42, 113.76°)
OKLab	oklab(81.47% -0.0874 0.1495)
OKLCH	oklch(81.47% 0.173 120.3)
XYZ	xyz(42.6592, 56.1124, 12.7203)
Luminance	0.5611 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D23B #593BD2

analogous

#D2A53B #B4D23B #68D23B

triadic

#B4D23B #3BB4D2 #D23BB4

tetradic

#B4D23B #3BD2A5 #593BD2 #D23B68

square

#B4D23B #3BD2A5 #593BD2 #D23B68

split-complementary

#B4D23B #3B68D2 #A53BD2

monochromatic

#65771B #8FA927 #B4D23B #C7DD6D #DAE99F

Accessibility & contrast

On white

1.72

#B4D23B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.22

#B4D23B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D23B

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D23B	#FFFFFF	#000000	##000000
##B4D23B	1.00	1.72	12.22	12.22
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.22	21.00	1.00	1.00
##000000	12.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC61E

Deuteranopia (green-blind)

#DCC648

Tritanopia (blue-blind)

#BEC7B5

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #b4d23b;
/* rgb */ color: rgb(180, 210, 59);
/* oklch */ color: oklch(81.5% 0.173 120.3);

Tailwind

colors: {
  custom: {
    50: '#cedf7b',
    500: '#b4d23b',
    950: '#000000',
  },
}

SCSS

$custom: #b4d23b;
$custom-light: #cedf7b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d23b",
  "rgb": {
    "r": 180,
    "g": 210,
    "b": 59
  },
  "hsl": {
    "h": 71.921,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.8147,
    "c": 0.17314,
    "h": 120.3
  },
  "luminance": 0.56112
}

Semantic roles & 50–950 ramp

primary

#B4D23B

secondary

#41327F

accent

#42E663

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B4D23B

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

Preview Lab → · Contrast checker → · Palette generator →