#B1C438#B1C438

#B1C438 is a light, vivid yellow. Relative luminance 0.491; OKLCH L 78.1% C 0.160 H 117.0°. Best body text is #000000 at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#B1C438
RGB	rgb(177, 196, 56)
HSL	hsl(68, 56%, 49%)
HSV	hsv(68, 71%, 77%)
CMYK	cmyk(9.7%, 0%, 71.4%, 23.1%)
CIE-LAB	lab(75.52, -24.26, 64.12)
CIE-LCH	lch(75.52, 68.56, 110.73°)
OKLab	oklab(78.07% -0.0727 0.1426)
OKLCH	oklch(78.07% 0.16 117)
XYZ	xyz(38.5861, 49.1130, 11.1877)
Luminance	0.4911 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C438 #4B38C4

analogous

#C49138 #B1C438 #6BC438

triadic

#B1C438 #38B1C4 #C438B1

tetradic

#B1C438 #38C491 #4B38C4 #C4386B

square

#B1C438 #38C491 #4B38C4 #C4386B

split-complementary

#B1C438 #386BC4 #9138C4

monochromatic

#5B651D #86942A #B1C438 #C4D366 #D7E196

Accessibility & contrast

On white

1.94

#B1C438 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.82

#B1C438 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C438

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C438	#FFFFFF	#000000	##000000
##B1C438	1.00	1.94	10.82	10.82
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.82	21.00	1.00	1.00
##000000	10.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BA1E

Deuteranopia (green-blind)

#D0BB43

Tritanopia (blue-blind)

#BCB9A9

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #b1c438;
/* rgb */ color: rgb(177, 196, 56);
/* oklch */ color: oklch(78.1% 0.160 117.0);

Tailwind

colors: {
  custom: {
    50: '#ccd578',
    500: '#b1c438',
    950: '#000000',
  },
}

SCSS

$custom: #b1c438;
$custom-light: #ccd578;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c438",
  "rgb": {
    "r": 177,
    "g": 196,
    "b": 56
  },
  "hsl": {
    "h": 68.143,
    "s": 55.556,
    "l": 49.412
  },
  "oklch": {
    "l": 0.78067,
    "c": 0.16009,
    "h": 117
  },
  "luminance": 0.49112
}

Semantic roles & 50–950 ramp

primary

#B1C438

secondary

#948CCC

accent

#49DF5D

background

#FCFDF7

surface

#F9FAEE

border

#D2D3C9

text

#141409

muted

#82837B

Preview Lab

Preview with #B1C438

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

Preview Lab → · Contrast checker → · Palette generator →