#B3EC5B#B3EC5B

#B3EC5B is a very light, vivid yellow-green. Relative luminance 0.703; OKLCH L 87.6% C 0.183 H 127.9°. Best body text is #000000 at 15.07:1 contrast (WCAG AA passes).

Color values

HEX	#B3EC5B
RGB	rgb(179, 236, 91)
HSL	hsl(84, 79%, 64%)
HSV	hsv(84, 61%, 93%)
CMYK	cmyk(24.2%, 0%, 61.4%, 7.5%)
CIE-LAB	lab(87.16, -39.75, 62.65)
CIE-LCH	lch(87.16, 74.20, 122.39°)
OKLab	oklab(87.57% -0.1126 0.1444)
OKLCH	oklch(87.57% 0.183 127.9)
XYZ	xyz(50.4741, 70.3290, 20.8111)
Luminance	0.7033 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3EC5B #945BEC

analogous

#ECDC5B #B3EC5B #6BEC5B

triadic

#B3EC5B #5BB3EC #EC5BB3

tetradic

#B3EC5B #5BECDC #945BEC #EC5B6B

square

#B3EC5B #5BECDC #945BEC #EC5B6B

split-complementary

#B3EC5B #5B6BEC #DC5BEC

monochromatic

#78B715 #9AE624 #B3EC5B #CCF292 #E6F9C9

Accessibility & contrast

On white

1.39

#B3EC5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.07

#B3EC5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3EC5B

15.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3EC5B	#FFFFFF	#000000	##000000
##B3EC5B	1.00	1.39	15.07	15.07
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.07	21.00	1.00	1.00
##000000	15.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DD4A

Deuteranopia (green-blind)

#EFD966

Tritanopia (blue-blind)

#B9E2CD

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #b3ec5b;
/* rgb */ color: rgb(179, 236, 91);
/* oklch */ color: oklch(87.6% 0.183 127.9);

Tailwind

colors: {
  custom: {
    50: '#cdf28f',
    500: '#b3ec5b',
    950: '#000000',
  },
}

SCSS

$custom: #b3ec5b;
$custom-light: #cdf28f;
$custom-dark: #000000;

JSON

{
  "hex": "#b3ec5b",
  "rgb": {
    "r": 179,
    "g": 236,
    "b": 91
  },
  "hsl": {
    "h": 83.586,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.87572,
    "c": 0.18308,
    "h": 127.9
  },
  "luminance": 0.7033
}

Semantic roles & 50–950 ramp

primary

#B3EC5B

secondary

#6834B7

accent

#0ADC5C

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B3EC5B

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

Preview Lab → · Contrast checker → · Palette generator →