#B1D645#B1D645

#B1D645 is a very light, vivid yellow-green. Relative luminance 0.579; OKLCH L 82.2% C 0.173 H 122.7°. Best body text is #000000 at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#B1D645
RGB	rgb(177, 214, 69)
HSL	hsl(75, 64%, 55%)
HSV	hsv(75, 68%, 84%)
CMYK	cmyk(17.3%, 0%, 67.8%, 16.1%)
CIE-LAB	lab(80.67, -32.08, 64.49)
CIE-LCH	lch(80.67, 72.02, 116.45°)
OKLab	oklab(82.24% -0.0932 0.1454)
OKLCH	oklch(82.24% 0.173 122.7)
XYZ	xyz(43.2527, 57.8698, 14.5204)
Luminance	0.5787 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D645 #6A45D6

analogous

#D6B245 #B1D645 #68D645

triadic

#B1D645 #45B1D6 #D645B1

tetradic

#B1D645 #45D6B2 #6A45D6 #D64568

square

#B1D645 #45D6B2 #6A45D6 #D64568

split-complementary

#B1D645 #4568D6 #B245D6

monochromatic

#69841D #92B628 #B1D645 #C6E177 #DBECA9

Accessibility & contrast

On white

1.67

#B1D645 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.57

#B1D645 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D645

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D645	#FFFFFF	#000000	##000000
##B1D645	1.00	1.67	12.57	12.57
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.57	21.00	1.00	1.00
##000000	12.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C92F

Deuteranopia (green-blind)

#DDC851

Tritanopia (blue-blind)

#BACBB9

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #b1d645;
/* rgb */ color: rgb(177, 214, 69);
/* oklch */ color: oklch(82.2% 0.173 122.7);

Tailwind

colors: {
  custom: {
    50: '#cce281',
    500: '#b1d645',
    950: '#000000',
  },
}

SCSS

$custom: #b1d645;
$custom-light: #cce281;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d645",
  "rgb": {
    "r": 177,
    "g": 214,
    "b": 69
  },
  "hsl": {
    "h": 75.31,
    "s": 63.877,
    "l": 55.49
  },
  "oklch": {
    "l": 0.82237,
    "c": 0.17271,
    "h": 122.7
  },
  "luminance": 0.5787
}

Semantic roles & 50–950 ramp

primary

#B1D645

secondary

#4B358A

accent

#41E76B

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B1D645

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

Preview Lab → · Contrast checker → · Palette generator →