#B5D545#B5D545

#B5D545 is a very light, vivid yellow-green. Relative luminance 0.578; OKLCH L 82.3% C 0.170 H 121.1°. Best body text is #000000 at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#B5D545
RGB	rgb(181, 213, 69)
HSL	hsl(73, 63%, 55%)
HSV	hsv(73, 68%, 84%)
CMYK	cmyk(15%, 0%, 67.6%, 16.5%)
CIE-LAB	lab(80.65, -30.03, 64.55)
CIE-LCH	lch(80.65, 71.20, 114.95°)
OKLab	oklab(82.29% -0.0878 0.1455)
OKLCH	oklch(82.29% 0.17 121.1)
XYZ	xyz(43.9251, 57.8420, 14.4796)
Luminance	0.5784 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5D545 #6545D5

analogous

#D5AD45 #B5D545 #6DD545

triadic

#B5D545 #45B5D5 #D545B5

tetradic

#B5D545 #45D5AD #6545D5 #D5456D

square

#B5D545 #45D5AD #6545D5 #D5456D

split-complementary

#B5D545 #456DD5 #AD45D5

monochromatic

#6C821D #95B429 #B5D545 #C9E077 #DDECA9

Accessibility & contrast

On white

1.67

#B5D545 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.57

#B5D545 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5D545

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5D545	#FFFFFF	#000000	##000000
##B5D545	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)

#DEC850

Tritanopia (blue-blind)

#BFCAB8

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #b5d545;
/* rgb */ color: rgb(181, 213, 69);
/* oklch */ color: oklch(82.3% 0.170 121.1);

Tailwind

colors: {
  custom: {
    50: '#cee281',
    500: '#b5d545',
    950: '#000000',
  },
}

SCSS

$custom: #b5d545;
$custom-light: #cee281;
$custom-dark: #000000;

JSON

{
  "hex": "#b5d545",
  "rgb": {
    "r": 181,
    "g": 213,
    "b": 69
  },
  "hsl": {
    "h": 73.333,
    "s": 63.158,
    "l": 55.294
  },
  "oklch": {
    "l": 0.82292,
    "c": 0.16989,
    "h": 121.1
  },
  "luminance": 0.57842
}

Semantic roles & 50–950 ramp

primary

#B5D545

secondary

#483589

accent

#42E666

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B5D545

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

Preview Lab → · Contrast checker → · Palette generator →