#B3EC59#B3EC59

#B3EC59 is a very light, vivid yellow-green. Relative luminance 0.703; OKLCH L 87.6% C 0.185 H 127.8°. Best body text is #000000 at 15.06:1 contrast (WCAG AA passes).

Color values

HEX	#B3EC59
RGB	rgb(179, 236, 89)
HSL	hsl(83, 79%, 64%)
HSV	hsv(83, 62%, 93%)
CMYK	cmyk(24.2%, 0%, 62.3%, 7.5%)
CIE-LAB	lab(87.14, -39.90, 63.46)
CIE-LCH	lch(87.14, 74.96, 122.16°)
OKLab	oklab(87.55% -0.1132 0.1459)
OKLCH	oklch(87.55% 0.185 127.8)
XYZ	xyz(50.3889, 70.2949, 20.3628)
Luminance	0.7030 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3EC59 #9259EC

analogous

#ECDB59 #B3EC59 #69EC59

triadic

#B3EC59 #59B3EC #EC59B3

tetradic

#B3EC59 #59ECDB #9259EC #EC5969

square

#B3EC59 #59ECDB #9259EC #EC5969

split-complementary

#B3EC59 #5969EC #DB59EC

monochromatic

#77B615 #9AE622 #B3EC59 #CCF290 #E5F9C7

Accessibility & contrast

On white

1.39

#B3EC59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.06

#B3EC59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3EC59

15.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3EC59	#FFFFFF	#000000	##000000
##B3EC59	1.00	1.39	15.06	15.06
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.06	21.00	1.00	1.00
##000000	15.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DD47

Deuteranopia (green-blind)

#EFD964

Tritanopia (blue-blind)

#B9E2CD

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #b3ec59;
/* rgb */ color: rgb(179, 236, 89);
/* oklch */ color: oklch(87.6% 0.185 127.8);

Tailwind

colors: {
  custom: {
    50: '#cdf28e',
    500: '#b3ec59',
    950: '#000000',
  },
}

SCSS

$custom: #b3ec59;
$custom-light: #cdf28e;
$custom-dark: #000000;

JSON

{
  "hex": "#b3ec59",
  "rgb": {
    "r": 179,
    "g": 236,
    "b": 89
  },
  "hsl": {
    "h": 83.265,
    "s": 79.459,
    "l": 63.725
  },
  "oklch": {
    "l": 0.87553,
    "c": 0.18461,
    "h": 127.8
  },
  "luminance": 0.70296
}

Semantic roles & 50–950 ramp

primary

#B3EC59

secondary

#6634B5

accent

#0ADC5B

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B3EC59

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

Preview Lab → · Contrast checker → · Palette generator →