#B4EC59#B4EC59

#B4EC59 is a very light, vivid yellow-green. Relative luminance 0.704; OKLCH L 87.6% C 0.184 H 127.5°. Best body text is #000000 at 15.08:1 contrast (WCAG AA passes).

Color values

HEX	#B4EC59
RGB	rgb(180, 236, 89)
HSL	hsl(83, 79%, 64%)
HSV	hsv(83, 62%, 93%)
CMYK	cmyk(23.7%, 0%, 62.3%, 7.5%)
CIE-LAB	lab(87.20, -39.54, 63.54)
CIE-LCH	lch(87.20, 74.83, 121.89°)
OKLab	oklab(87.62% -0.1122 0.146)
OKLCH	oklch(87.62% 0.184 127.5)
XYZ	xyz(50.6210, 70.4145, 20.3737)
Luminance	0.7042 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4EC59 #9159EC

analogous

#ECDA59 #B4EC59 #6AEC59

triadic

#B4EC59 #59B4EC #EC59B4

tetradic

#B4EC59 #59ECDA #9159EC #EC596A

square

#B4EC59 #59ECDA #9159EC #EC596A

split-complementary

#B4EC59 #596AEC #DA59EC

monochromatic

#78B615 #9BE622 #B4EC59 #CDF290 #E6F9C7

Accessibility & contrast

On white

1.39

#B4EC59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.08

#B4EC59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4EC59

15.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4EC59	#FFFFFF	#000000	##000000
##B4EC59	1.00	1.39	15.08	15.08
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.08	21.00	1.00	1.00
##000000	15.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DD47

Deuteranopia (green-blind)

#EFD964

Tritanopia (blue-blind)

#BAE2CD

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #b4ec59;
/* rgb */ color: rgb(180, 236, 89);
/* oklch */ color: oklch(87.6% 0.184 127.5);

Tailwind

colors: {
  custom: {
    50: '#cef28e',
    500: '#b4ec59',
    950: '#000000',
  },
}

SCSS

$custom: #b4ec59;
$custom-light: #cef28e;
$custom-dark: #000000;

JSON

{
  "hex": "#b4ec59",
  "rgb": {
    "r": 180,
    "g": 236,
    "b": 89
  },
  "hsl": {
    "h": 82.857,
    "s": 79.459,
    "l": 63.725
  },
  "oklch": {
    "l": 0.87616,
    "c": 0.18414,
    "h": 127.5
  },
  "luminance": 0.70415
}

Semantic roles & 50–950 ramp

primary

#B4EC59

secondary

#6534B5

accent

#0ADC5A

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B4EC59

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

Preview Lab → · Contrast checker → · Palette generator →