#B1D151#B1D151

#B1D151 is a light, vivid yellow-green. Relative luminance 0.555; OKLCH L 81.2% C 0.158 H 121.9°. Best body text is #000000 at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#B1D151
RGB	rgb(177, 209, 81)
HSL	hsl(75, 58%, 57%)
HSV	hsv(75, 61%, 82%)
CMYK	cmyk(15.3%, 0%, 61.2%, 18%)
CIE-LAB	lab(79.35, -28.91, 58.27)
CIE-LCH	lch(79.35, 65.05, 116.38°)
OKLab	oklab(81.21% -0.0833 0.1339)
OKLCH	oklch(81.21% 0.158 121.9)
XYZ	xyz(42.4176, 55.5421, 16.2690)
Luminance	0.5554 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D151 #7151D1

analogous

#D1B151 #B1D151 #71D151

triadic

#B1D151 #51B1D1 #D151B1

tetradic

#B1D151 #51D1B1 #7151D1 #D15171

square

#B1D151 #51D1B1 #7151D1 #D15171

split-complementary

#B1D151 #5171D1 #B151D1

monochromatic

#6C8523 #94B530 #B1D151 #C7DE81 #DCEBB2

Accessibility & contrast

On white

1.73

#B1D151 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.11

#B1D151 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D151

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D151	#FFFFFF	#000000	##000000
##B1D151	1.00	1.73	12.11	12.11
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.11	21.00	1.00	1.00
##000000	12.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC542

Deuteranopia (green-blind)

#D9C55A

Tritanopia (blue-blind)

#BAC7B6

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #b1d151;
/* rgb */ color: rgb(177, 209, 81);
/* oklch */ color: oklch(81.2% 0.158 121.9);

Tailwind

colors: {
  custom: {
    50: '#cbdf87',
    500: '#b1d151',
    950: '#000000',
  },
}

SCSS

$custom: #b1d151;
$custom-light: #cbdf87;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d151",
  "rgb": {
    "r": 177,
    "g": 209,
    "b": 81
  },
  "hsl": {
    "h": 75,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.81207,
    "c": 0.15773,
    "h": 121.9
  },
  "luminance": 0.55542
}

Semantic roles & 50–950 ramp

primary

#B1D151

secondary

#4F3B8B

accent

#46E16D

background

#FEFEFC

surface

#FBFCF3

border

#D4D5CD

text

#14150C

muted

#83847F

Preview Lab

Preview with #B1D151

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

Preview Lab → · Contrast checker → · Palette generator →