#B1EF64#B1EF64

#B1EF64 is a very light, vivid yellow-green. Relative luminance 0.720; OKLCH L 88.2% C 0.181 H 129.7°. Best body text is #000000 at 15.40:1 contrast (WCAG AA passes).

Color values

HEX	#B1EF64
RGB	rgb(177, 239, 100)
HSL	hsl(87, 81%, 66%)
HSV	hsv(87, 58%, 94%)
CMYK	cmyk(25.9%, 0%, 58.2%, 6.3%)
CIE-LAB	lab(87.97, -41.05, 59.72)
CIE-LCH	lch(87.97, 72.46, 124.50°)
OKLab	oklab(88.22% -0.1153 0.1391)
OKLCH	oklch(88.22% 0.181 129.7)
XYZ	xyz(51.2978, 71.9990, 23.2486)
Luminance	0.7200 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Pale Lime

#BEFD73

ΔE00 3.01

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1EF64 #A264EF

analogous

#EFE864 #B1EF64 #6CEF64

triadic

#B1EF64 #64B1EF #EF64B1

tetradic

#B1EF64 #64EFE8 #A264EF #EF646C

square

#B1EF64 #64EFE8 #A264EF #EF646C

split-complementary

#B1EF64 #646CEF #E864EF

monochromatic

#76C414 #95E92D #B1EF64 #CDF59B #E9FAD3

Accessibility & contrast

On white

1.36

#B1EF64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.40

#B1EF64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1EF64

15.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1EF64	#FFFFFF	#000000	##000000
##B1EF64	1.00	1.36	15.40	15.40
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.40	21.00	1.00	1.00
##000000	15.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9E055

Deuteranopia (green-blind)

#F0DB6E

Tritanopia (blue-blind)

#B5E6D1

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #b1ef64;
/* rgb */ color: rgb(177, 239, 100);
/* oklch */ color: oklch(88.2% 0.181 129.7);

Tailwind

colors: {
  custom: {
    50: '#cbf495',
    500: '#b1ef64',
    950: '#000000',
  },
}

SCSS

$custom: #b1ef64;
$custom-light: #cbf495;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ef64",
  "rgb": {
    "r": 177,
    "g": 239,
    "b": 100
  },
  "hsl": {
    "h": 86.763,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.88224,
    "c": 0.1807,
    "h": 129.7
  },
  "luminance": 0.72
}

Semantic roles & 50–950 ramp

primary

#B1EF64

secondary

#7435C2

accent

#08DE67

background

#FEFFFC

surface

#FBFEF5

border

#D4D6CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B1EF64

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

Preview Lab → · Contrast checker → · Palette generator →