#B1D243#B1D243

#B1D243 is a light, vivid yellow-green. Relative luminance 0.558; OKLCH L 81.3% C 0.169 H 121.5°. Best body text is #000000 at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#B1D243
RGB	rgb(177, 210, 67)
HSL	hsl(74, 61%, 54%)
HSV	hsv(74, 68%, 82%)
CMYK	cmyk(15.7%, 0%, 68.1%, 17.6%)
CIE-LAB	lab(79.53, -30.33, 64.08)
CIE-LCH	lch(79.53, 70.89, 115.33°)
OKLab	oklab(81.31% -0.0886 0.1443)
OKLCH	oklch(81.31% 0.169 121.5)
XYZ	xyz(42.1918, 55.8455, 13.8656)
Luminance	0.5585 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D243 #6443D2

analogous

#D2AB43 #B1D243 #6AD243

triadic

#B1D243 #43B1D2 #D243B1

tetradic

#B1D243 #43D2AB #6443D2 #D2436A

square

#B1D243 #43D2AB #6443D2 #D2436A

split-complementary

#B1D243 #436AD2 #AB43D2

monochromatic

#677D1E #90AE2A #B1D243 #C5DE74 #DAEAA6

Accessibility & contrast

On white

1.73

#B1D243 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.17

#B1D243 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D243

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D243	#FFFFFF	#000000	##000000
##B1D243	1.00	1.73	12.17	12.17
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.17	21.00	1.00	1.00
##000000	12.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC62D

Deuteranopia (green-blind)

#DAC54E

Tritanopia (blue-blind)

#BAC7B5

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #b1d243;
/* rgb */ color: rgb(177, 210, 67);
/* oklch */ color: oklch(81.3% 0.169 121.5);

Tailwind

colors: {
  custom: {
    50: '#ccdf7f',
    500: '#b1d243',
    950: '#000000',
  },
}

SCSS

$custom: #b1d243;
$custom-light: #ccdf7f;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d243",
  "rgb": {
    "r": 177,
    "g": 210,
    "b": 67
  },
  "hsl": {
    "h": 73.846,
    "s": 61.373,
    "l": 54.314
  },
  "oklch": {
    "l": 0.81313,
    "c": 0.16927,
    "h": 121.5
  },
  "luminance": 0.55846
}

Semantic roles & 50–950 ramp

primary

#B1D243

secondary

#473584

accent

#43E469

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B1D243

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

Preview Lab → · Contrast checker → · Palette generator →