#B4F159#B4F159

#B4F159 is a very light, vivid yellow-green. Relative luminance 0.733; OKLCH L 88.8% C 0.190 H 128.4°. Best body text is #000000 at 15.67:1 contrast (WCAG AA passes).

Color values

HEX	#B4F159
RGB	rgb(180, 241, 89)
HSL	hsl(84, 84%, 65%)
HSV	hsv(84, 63%, 95%)
CMYK	cmyk(25.3%, 0%, 63.1%, 5.5%)
CIE-LAB	lab(88.61, -41.74, 65.06)
CIE-LCH	lch(88.61, 77.30, 122.68°)
OKLab	oklab(88.76% -0.1183 0.1492)
OKLCH	oklch(88.76% 0.19 128.4)
XYZ	xyz(52.0807, 73.3340, 20.8602)
Luminance	0.7333 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4F159 #9659F1

analogous

#F1E259 #B4F159 #68F159

triadic

#B4F159 #59B4F1 #F159B4

tetradic

#B4F159 #59F1E2 #9659F1 #F15968

square

#B4F159 #59F1E2 #9659F1 #F15968

split-complementary

#B4F159 #5968F1 #E259F1

monochromatic

#79BF10 #9AEC21 #B4F159 #CEF691 #E7FBCA

Accessibility & contrast

On white

1.34

#B4F159 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.67

#B4F159 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4F159

15.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4F159	#FFFFFF	#000000	##000000
##B4F159	1.00	1.34	15.67	15.67
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.67	21.00	1.00	1.00
##000000	15.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE146

Deuteranopia (green-blind)

#F4DD65

Tritanopia (blue-blind)

#B9E7D1

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #b4f159;
/* rgb */ color: rgb(180, 241, 89);
/* oklch */ color: oklch(88.8% 0.190 128.4);

Tailwind

colors: {
  custom: {
    50: '#cef68e',
    500: '#b4f159',
    950: '#000000',
  },
}

SCSS

$custom: #b4f159;
$custom-light: #cef68e;
$custom-dark: #000000;

JSON

{
  "hex": "#b4f159",
  "rgb": {
    "r": 180,
    "g": 241,
    "b": 89
  },
  "hsl": {
    "h": 84.079,
    "s": 84.444,
    "l": 64.706
  },
  "oklch": {
    "l": 0.88756,
    "c": 0.19042,
    "h": 128.4
  },
  "luminance": 0.73335
}

Semantic roles & 50–950 ramp

primary

#B4F159

secondary

#6931BE

accent

#05E15D

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B4F159

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

Preview Lab → · Contrast checker → · Palette generator →