#B5EC66#B5EC66

#B5EC66 is a very light, vivid yellow-green. Relative luminance 0.708; OKLCH L 87.8% C 0.173 H 128.2°. Best body text is #000000 at 15.15:1 contrast (WCAG AA passes).

Color values

HEX	#B5EC66
RGB	rgb(181, 236, 102)
HSL	hsl(85, 78%, 66%)
HSV	hsv(85, 57%, 93%)
CMYK	cmyk(23.3%, 0%, 56.8%, 7.5%)
CIE-LAB	lab(87.37, -38.09, 58.23)
CIE-LCH	lch(87.37, 69.58, 123.19°)
OKLab	oklab(87.81% -0.1072 0.1361)
OKLCH	oklch(87.81% 0.173 128.2)
XYZ	xyz(51.4496, 70.7730, 23.5177)
Luminance	0.7077 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Pale Lime

#BEFD73

ΔE00 3.56

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5EC66 #9D66EC

analogous

#ECE066 #B5EC66 #72EC66

triadic

#B5EC66 #66B5EC #EC66B5

tetradic

#B5EC66 #66ECE0 #9D66EC #EC6672

square

#B5EC66 #66ECE0 #9D66EC #EC6672

split-complementary

#B5EC66 #6672EC #E066EC

monochromatic

#7BC018 #9BE530 #B5EC66 #CFF39C #EAFAD3

Accessibility & contrast

On white

1.39

#B5EC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.15

#B5EC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5EC66

15.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5EC66	#FFFFFF	#000000	##000000
##B5EC66	1.00	1.39	15.15	15.15
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.15	21.00	1.00	1.00
##000000	15.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DD58

Deuteranopia (green-blind)

#EFDA6F

Tritanopia (blue-blind)

#BAE2CF

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #b5ec66;
/* rgb */ color: rgb(181, 236, 102);
/* oklch */ color: oklch(87.8% 0.173 128.2);

Tailwind

colors: {
  custom: {
    50: '#cef296',
    500: '#b5ec66',
    950: '#000000',
  },
}

SCSS

$custom: #b5ec66;
$custom-light: #cef296;
$custom-dark: #000000;

JSON

{
  "hex": "#b5ec66",
  "rgb": {
    "r": 181,
    "g": 236,
    "b": 102
  },
  "hsl": {
    "h": 84.627,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.8781,
    "c": 0.17325,
    "h": 128.2
  },
  "luminance": 0.70774
}

Semantic roles & 50–950 ramp

primary

#B5EC66

secondary

#6F38BE

accent

#0BDA60

background

#FEFFFC

surface

#FBFEF5

border

#D4D6CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B5EC66

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

Preview Lab → · Contrast checker → · Palette generator →