#B1C83A#B1C83A

#B1C83A is a light, vivid yellow. Relative luminance 0.510; OKLCH L 79.0% C 0.163 H 118.4°. Best body text is #000000 at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#B1C83A
RGB	rgb(177, 200, 58)
HSL	hsl(70, 56%, 51%)
HSV	hsv(70, 71%, 78%)
CMYK	cmyk(11.5%, 0%, 71%, 21.6%)
CIE-LAB	lab(76.66, -26.09, 64.52)
CIE-LCH	lch(76.66, 69.59, 112.02°)
OKLab	oklab(78.98% -0.0776 0.1438)
OKLCH	oklch(78.98% 0.163 118.4)
XYZ	xyz(39.5503, 50.9615, 11.7552)
Luminance	0.5096 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C83A #513AC8

analogous

#C8983A #B1C83A #6AC83A

triadic

#B1C83A #3AB1C8 #C83AB1

tetradic

#B1C83A #3AC898 #513AC8 #C83A6A

square

#B1C83A #3AC898 #513AC8 #C83A6A

split-complementary

#B1C83A #3A6AC8 #983AC8

monochromatic

#5E6A1E #889A2B #B1C83A #C4D56A #D7E39A

Accessibility & contrast

On white

1.88

#B1C83A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.19

#B1C83A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C83A

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C83A	#FFFFFF	#000000	##000000
##B1C83A	1.00	1.88	11.19	11.19
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.19	21.00	1.00	1.00
##000000	11.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD21

Deuteranopia (green-blind)

#D3BE46

Tritanopia (blue-blind)

#BCBDAC

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #b1c83a;
/* rgb */ color: rgb(177, 200, 58);
/* oklch */ color: oklch(79.0% 0.163 118.4);

Tailwind

colors: {
  custom: {
    50: '#ccd879',
    500: '#b1c83a',
    950: '#000000',
  },
}

SCSS

$custom: #b1c83a;
$custom-light: #ccd879;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c83a",
  "rgb": {
    "r": 177,
    "g": 200,
    "b": 58
  },
  "hsl": {
    "h": 69.718,
    "s": 56.349,
    "l": 50.588
  },
  "oklch": {
    "l": 0.78982,
    "c": 0.1634,
    "h": 118.4
  },
  "luminance": 0.50961
}

Semantic roles & 50–950 ramp

primary

#B1C83A

secondary

#3D3274

accent

#48E061

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B1C83A

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

Preview Lab → · Contrast checker → · Palette generator →