#B1D041#B1D041

#B1D041 is a light, vivid yellow-green. Relative luminance 0.548; OKLCH L 80.8% C 0.168 H 120.9°. Best body text is #000000 at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#B1D041
RGB	rgb(177, 208, 65)
HSL	hsl(73, 60%, 54%)
HSV	hsv(73, 69%, 82%)
CMYK	cmyk(14.9%, 0%, 68.8%, 18.4%)
CIE-LAB	lab(78.95, -29.51, 64.24)
CIE-LCH	lch(78.95, 70.70, 114.67°)
OKLab	oklab(80.84% -0.0865 0.1443)
OKLCH	oklch(80.84% 0.168 120.9)
XYZ	xyz(41.6421, 54.8406, 13.3915)
Luminance	0.5484 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D041 #6041D0

analogous

#D0A741 #B1D041 #69D041

triadic

#B1D041 #41B1D0 #D041B1

tetradic

#B1D041 #41D0A7 #6041D0 #D04169

square

#B1D041 #41D0A7 #6041D0 #D04169

split-complementary

#B1D041 #4169D0 #A741D0

monochromatic

#65791E #8EAA2A #B1D041 #C5DC72 #D9E8A3

Accessibility & contrast

On white

1.75

#B1D041 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.97

#B1D041 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D041

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D041	#FFFFFF	#000000	##000000
##B1D041	1.00	1.75	11.97	11.97
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.97	21.00	1.00	1.00
##000000	11.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC42A

Deuteranopia (green-blind)

#D9C44C

Tritanopia (blue-blind)

#BBC5B4

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #b1d041;
/* rgb */ color: rgb(177, 208, 65);
/* oklch */ color: oklch(80.8% 0.168 120.9);

Tailwind

colors: {
  custom: {
    50: '#ccde7e',
    500: '#b1d041',
    950: '#000000',
  },
}

SCSS

$custom: #b1d041;
$custom-light: #ccde7e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d041",
  "rgb": {
    "r": 177,
    "g": 208,
    "b": 65
  },
  "hsl": {
    "h": 73.007,
    "s": 60.338,
    "l": 53.529
  },
  "oklch": {
    "l": 0.80844,
    "c": 0.16822,
    "h": 120.9
  },
  "luminance": 0.54841
}

Semantic roles & 50–950 ramp

primary

#B1D041

secondary

#453481

accent

#44E367

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1D041

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

Preview Lab → · Contrast checker → · Palette generator →