#B4D451#B4D451

#B4D451 is a very light, vivid yellow-green. Relative luminance 0.574; OKLCH L 82.1% C 0.160 H 121.7°. Best body text is #000000 at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#B4D451
RGB	rgb(180, 212, 81)
HSL	hsl(75, 60%, 57%)
HSV	hsv(75, 62%, 83%)
CMYK	cmyk(15.1%, 0%, 61.8%, 16.9%)
CIE-LAB	lab(80.40, -29.14, 59.47)
CIE-LCH	lch(80.40, 66.22, 116.11°)
OKLab	oklab(82.1% -0.0841 0.1364)
OKLCH	oklch(82.1% 0.16 121.7)
XYZ	xyz(43.8516, 57.3843, 16.5491)
Luminance	0.5738 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D451 #7151D4

analogous

#D4B251 #B4D451 #73D451

triadic

#B4D451 #51B4D4 #D451B4

tetradic

#B4D451 #51D4B2 #7151D4 #D45173

square

#B4D451 #51D4B2 #7151D4 #D45173

split-complementary

#B4D451 #5173D4 #B251D4

monochromatic

#708922 #98BA2E #B4D451 #C9E082 #DEECB3

Accessibility & contrast

On white

1.68

#B4D451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.48

#B4D451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D451

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D451	#FFFFFF	#000000	##000000
##B4D451	1.00	1.68	12.48	12.48
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.48	21.00	1.00	1.00
##000000	12.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C841

Deuteranopia (green-blind)

#DCC85A

Tritanopia (blue-blind)

#BDCAB9

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #b4d451;
/* rgb */ color: rgb(180, 212, 81);
/* oklch */ color: oklch(82.1% 0.160 121.7);

Tailwind

colors: {
  custom: {
    50: '#cde187',
    500: '#b4d451',
    950: '#000000',
  },
}

SCSS

$custom: #b4d451;
$custom-light: #cde187;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d451",
  "rgb": {
    "r": 180,
    "g": 212,
    "b": 81
  },
  "hsl": {
    "h": 74.656,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.82099,
    "c": 0.16027,
    "h": 121.7
  },
  "luminance": 0.57384
}

Semantic roles & 50–950 ramp

primary

#B4D451

secondary

#4F3A8F

accent

#44E46B

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14150C

muted

#83847F

Preview Lab

Preview with #B4D451

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

Preview Lab → · Contrast checker → · Palette generator →