#B7C540#B7C540

#B7C540 is a light, vivid yellow. Relative luminance 0.504; OKLCH L 78.8% C 0.154 H 115.2°. Best body text is #000000 at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#B7C540
RGB	rgb(183, 197, 64)
HSL	hsl(66, 53%, 51%)
HSV	hsv(66, 68%, 77%)
CMYK	cmyk(7.1%, 0%, 67.5%, 22.7%)
CIE-LAB	lab(76.30, -21.82, 62.08)
CIE-LCH	lch(76.30, 65.80, 109.37°)
OKLab	oklab(78.82% -0.0656 0.1394)
OKLCH	oklch(78.82% 0.154 115.2)
XYZ	xyz(40.4211, 50.3706, 12.4426)
Luminance	0.5037 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7C540 #4E40C5

analogous

#C59040 #B7C540 #74C540

triadic

#B7C540 #40B7C5 #C540B7

tetradic

#B7C540 #40C590 #4E40C5 #C54074

square

#B7C540 #40C590 #4E40C5 #C54074

split-complementary

#B7C540 #4074C5 #9040C5

monochromatic

#636A20 #8E992F #B7C540 #C9D36F #DAE29E

Accessibility & contrast

On white

1.90

#B7C540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.07

#B7C540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B7C540

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7C540	#FFFFFF	#000000	##000000
##B7C540	1.00	1.90	11.07	11.07
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.07	21.00	1.00	1.00
##000000	11.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB2C

Deuteranopia (green-blind)

#D2BD4A

Tritanopia (blue-blind)

#C2BAAA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b7c540;
/* rgb */ color: rgb(183, 197, 64);
/* oklch */ color: oklch(78.8% 0.154 115.2);

Tailwind

colors: {
  custom: {
    50: '#d0d67c',
    500: '#b7c540',
    950: '#000000',
  },
}

SCSS

$custom: #b7c540;
$custom-light: #d0d67c;
$custom-dark: #000000;

JSON

{
  "hex": "#b7c540",
  "rgb": {
    "r": 183,
    "g": 197,
    "b": 64
  },
  "hsl": {
    "h": 66.316,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.78816,
    "c": 0.15408,
    "h": 115.2
  },
  "luminance": 0.5037
}

Semantic roles & 50–950 ramp

primary

#B7C540

secondary

#3C3574

accent

#4BDD5A

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B7C540

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

Preview Lab → · Contrast checker → · Palette generator →