#B3EC63#B3EC63

#B3EC63 is a very light, vivid yellow-green. Relative luminance 0.705; OKLCH L 87.7% C 0.177 H 128.5°. Best body text is #000000 at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#B3EC63
RGB	rgb(179, 236, 99)
HSL	hsl(85, 78%, 66%)
HSV	hsv(85, 58%, 93%)
CMYK	cmyk(24.2%, 0%, 58.1%, 7.5%)
CIE-LAB	lab(87.23, -39.08, 59.34)
CIE-LCH	lch(87.23, 71.06, 123.37°)
OKLab	oklab(87.65% -0.1101 0.1382)
OKLCH	oklch(87.65% 0.177 128.5)
XYZ	xyz(50.8377, 70.4744, 22.7265)
Luminance	0.7047 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3EC63 #9C63EC

analogous

#ECE163 #B3EC63 #6EEC63

triadic

#B3EC63 #63B3EC #EC63B3

tetradic

#B3EC63 #63ECE1 #9C63EC #EC636E

square

#B3EC63 #63ECE1 #9C63EC #EC636E

split-complementary

#B3EC63 #636EEC #E163EC

monochromatic

#78BE17 #98E52C #B3EC63 #CEF39A #E8F9D0

Accessibility & contrast

On white

1.39

#B3EC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.10

#B3EC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3EC63

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3EC63	#FFFFFF	#000000	##000000
##B3EC63	1.00	1.39	15.10	15.10
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.10	21.00	1.00	1.00
##000000	15.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DD54

Deuteranopia (green-blind)

#EED96D

Tritanopia (blue-blind)

#B8E2CE

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #b3ec63;
/* rgb */ color: rgb(179, 236, 99);
/* oklch */ color: oklch(87.7% 0.177 128.5);

Tailwind

colors: {
  custom: {
    50: '#cdf294',
    500: '#b3ec63',
    950: '#000000',
  },
}

SCSS

$custom: #b3ec63;
$custom-light: #cdf294;
$custom-dark: #000000;

JSON

{
  "hex": "#b3ec63",
  "rgb": {
    "r": 179,
    "g": 236,
    "b": 99
  },
  "hsl": {
    "h": 84.964,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.87653,
    "c": 0.17669,
    "h": 128.5
  },
  "luminance": 0.70475
}

Semantic roles & 50–950 ramp

primary

#B3EC63

secondary

#6E37BC

accent

#0BDB61

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B3EC63

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

Preview Lab → · Contrast checker → · Palette generator →