#B1C841#B1C841

#B1C841 is a light, vivid yellow-green. Relative luminance 0.510; OKLCH L 79.0% C 0.159 H 118.5°. Best body text is #000000 at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#B1C841
RGB	rgb(177, 200, 65)
HSL	hsl(70, 55%, 52%)
HSV	hsv(70, 68%, 78%)
CMYK	cmyk(11.5%, 0%, 67.5%, 21.6%)
CIE-LAB	lab(76.70, -25.69, 61.96)
CIE-LCH	lch(76.70, 67.08, 112.52°)
OKLab	oklab(79.03% -0.0759 0.1395)
OKLCH	oklch(79.03% 0.159 118.5)
XYZ	xyz(39.7406, 51.0376, 12.7577)
Luminance	0.5104 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C841 #5841C8

analogous

#C89B41 #B1C841 #6EC841

triadic

#B1C841 #41B1C8 #C841B1

tetradic

#B1C841 #41C89B #5841C8 #C8416E

square

#B1C841 #41C89B #5841C8 #C8416E

split-complementary

#B1C841 #416EC8 #9B41C8

monochromatic

#616F20 #8B9E2E #B1C841 #C4D670 #D8E3A0

Accessibility & contrast

On white

1.87

#B1C841 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.21

#B1C841 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C841

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C841	#FFFFFF	#000000	##000000
##B1C841	1.00	1.87	11.21	11.21
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.21	21.00	1.00	1.00
##000000	11.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD2D

Deuteranopia (green-blind)

#D2BE4B

Tritanopia (blue-blind)

#BBBDAD

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #b1c841;
/* rgb */ color: rgb(177, 200, 65);
/* oklch */ color: oklch(79.0% 0.159 118.5);

Tailwind

colors: {
  custom: {
    50: '#cbd87d',
    500: '#b1c841',
    950: '#000000',
  },
}

SCSS

$custom: #b1c841;
$custom-light: #cbd87d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c841",
  "rgb": {
    "r": 177,
    "g": 200,
    "b": 65
  },
  "hsl": {
    "h": 70.222,
    "s": 55.102,
    "l": 51.961
  },
  "oklch": {
    "l": 0.79034,
    "c": 0.15882,
    "h": 118.5
  },
  "luminance": 0.51037
}

Semantic roles & 50–950 ramp

primary

#B1C841

secondary

#413578

accent

#49DE63

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B1C841

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

Preview Lab → · Contrast checker → · Palette generator →