#B3D840#B3D840

#B3D840 is a very light, vivid yellow-green. Relative luminance 0.591; OKLCH L 82.8% C 0.177 H 122.3°. Best body text is #000000 at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#B3D840
RGB	rgb(179, 216, 64)
HSL	hsl(75, 66%, 55%)
HSV	hsv(75, 70%, 85%)
CMYK	cmyk(17.1%, 0%, 70.4%, 15.3%)
CIE-LAB	lab(81.33, -32.51, 67.03)
CIE-LCH	lch(81.33, 74.50, 115.88°)
OKLab	oklab(82.79% -0.095 0.15)
OKLCH	oklch(82.79% 0.178 122.3)
XYZ	xyz(44.0723, 59.0655, 13.9284)
Luminance	0.5907 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3D840 #6540D8

analogous

#D8B140 #B3D840 #67D840

triadic

#B3D840 #40B3D8 #D840B3

tetradic

#B3D840 #40D8B1 #6540D8 #D84067

square

#B3D840 #40D8B1 #6540D8 #D84067

split-complementary

#B3D840 #4067D8 #B140D8

monochromatic

#6A831B #93B625 #B3D840 #C7E273 #DBEDA6

Accessibility & contrast

On white

1.64

#B3D840 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.81

#B3D840 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3D840

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3D840	#FFFFFF	#000000	##000000
##B3D840	1.00	1.64	12.81	12.81
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.81	21.00	1.00	1.00
##000000	12.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CB26

Deuteranopia (green-blind)

#E0CA4D

Tritanopia (blue-blind)

#BCCDBA

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #b3d840;
/* rgb */ color: rgb(179, 216, 64);
/* oklch */ color: oklch(82.8% 0.177 122.3);

Tailwind

colors: {
  custom: {
    50: '#cde47e',
    500: '#b3d840',
    950: '#000000',
  },
}

SCSS

$custom: #b3d840;
$custom-light: #cde47e;
$custom-dark: #000000;

JSON

{
  "hex": "#b3d840",
  "rgb": {
    "r": 179,
    "g": 216,
    "b": 64
  },
  "hsl": {
    "h": 74.605,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.82794,
    "c": 0.1775,
    "h": 122.3
  },
  "luminance": 0.59066
}

Semantic roles & 50–950 ramp

primary

#B3D840

secondary

#48338A

accent

#3FE968

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B3D840

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

Preview Lab → · Contrast checker → · Palette generator →