#B4F959#B4F959

#B4F959 is a very light, highly saturated yellow-green. Relative luminance 0.782; OKLCH L 90.6% C 0.200 H 129.6°. Best body text is #000000 at 16.64:1 contrast (WCAG AA passes).

Color values

HEX	#B4F959
RGB	rgb(180, 249, 89)
HSL	hsl(86, 93%, 66%)
HSV	hsv(86, 64%, 98%)
CMYK	cmyk(27.7%, 0%, 64.3%, 2.4%)
CIE-LAB	lab(90.86, -45.21, 67.48)
CIE-LCH	lch(90.86, 81.22, 123.82°)
OKLab	oklab(90.58% -0.1278 0.1543)
OKLCH	oklch(90.58% 0.2 129.6)
XYZ	xyz(54.5009, 78.1745, 21.6670)
Luminance	0.7818 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4F959 #9E59F9

analogous

#F9EE59 #B4F959 #64F959

triadic

#B4F959 #59B4F9 #F959B4

tetradic

#B4F959 #59F9EE #9E59F9 #F95964

square

#B4F959 #59F9EE #9E59F9 #F95964

split-complementary

#B4F959 #5964F9 #EE59F9

monochromatic

#7AD008 #99F71E #B4F959 #CFFB94 #E9FDCF

Accessibility & contrast

On white

1.26

#B4F959 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.64

#B4F959 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4F959

16.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4F959	#FFFFFF	#000000	##000000
##B4F959	1.00	1.26	16.64	16.64
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.64	21.00	1.00	1.00
##000000	16.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE844

Deuteranopia (green-blind)

#FAE366

Tritanopia (blue-blind)

#B9EFD8

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #b4f959;
/* rgb */ color: rgb(180, 249, 89);
/* oklch */ color: oklch(90.6% 0.200 129.6);

Tailwind

colors: {
  custom: {
    50: '#cefb8f',
    500: '#b4f959',
    950: '#000000',
  },
}

SCSS

$custom: #b4f959;
$custom-light: #cefb8f;
$custom-dark: #000000;

JSON

{
  "hex": "#b4f959",
  "rgb": {
    "r": 180,
    "g": 249,
    "b": 89
  },
  "hsl": {
    "h": 85.875,
    "s": 93.023,
    "l": 66.275
  },
  "oklch": {
    "l": 0.90584,
    "c": 0.20039,
    "h": 129.6
  },
  "luminance": 0.78176
}

Semantic roles & 50–950 ramp

primary

#B4F959

secondary

#702BCB

accent

#00E663

background

#FEFFFC

surface

#FBFFF4

border

#D4D7CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B4F959

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

Preview Lab → · Contrast checker → · Palette generator →