#B5EC63#B5EC63

#B5EC63 is a very light, vivid yellow-green. Relative luminance 0.707; OKLCH L 87.8% C 0.176 H 128.0°. Best body text is #000000 at 15.14:1 contrast (WCAG AA passes).

Color values

HEX	#B5EC63
RGB	rgb(181, 236, 99)
HSL	hsl(84, 78%, 66%)
HSV	hsv(84, 58%, 93%)
CMYK	cmyk(23.3%, 0%, 58.1%, 7.5%)
CIE-LAB	lab(87.35, -38.35, 59.51)
CIE-LCH	lch(87.35, 70.80, 122.80°)
OKLab	oklab(87.78% -0.1082 0.1385)
OKLCH	oklch(87.78% 0.176 128)
XYZ	xyz(51.3035, 70.7146, 22.7483)
Luminance	0.7072 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 4.25

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5EC63 #9A63EC

analogous

#ECDF63 #B5EC63 #70EC63

triadic

#B5EC63 #63B5EC #EC63B5

tetradic

#B5EC63 #63ECDF #9A63EC #EC6370

square

#B5EC63 #63ECDF #9A63EC #EC6370

split-complementary

#B5EC63 #6370EC #DF63EC

monochromatic

#7BBE17 #9BE52C #B5EC63 #CFF39A #E9F9D0

Accessibility & contrast

On white

1.39

#B5EC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.14

#B5EC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5EC63

15.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5EC63	#FFFFFF	#000000	##000000
##B5EC63	1.00	1.39	15.14	15.14
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.14	21.00	1.00	1.00
##000000	15.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DD54

Deuteranopia (green-blind)

#EFDA6D

Tritanopia (blue-blind)

#BAE2CE

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #b5ec63;
/* rgb */ color: rgb(181, 236, 99);
/* oklch */ color: oklch(87.8% 0.176 128.0);

Tailwind

colors: {
  custom: {
    50: '#cef294',
    500: '#b5ec63',
    950: '#000000',
  },
}

SCSS

$custom: #b5ec63;
$custom-light: #cef294;
$custom-dark: #000000;

JSON

{
  "hex": "#b5ec63",
  "rgb": {
    "r": 181,
    "g": 236,
    "b": 99
  },
  "hsl": {
    "h": 84.088,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.87778,
    "c": 0.17576,
    "h": 128
  },
  "luminance": 0.70716
}

Semantic roles & 50–950 ramp

primary

#B5EC63

secondary

#6C37BC

accent

#0BDB5E

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B5EC63

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

Preview Lab → · Contrast checker → · Palette generator →