#B1EF58#B1EF58

#B1EF58 is a very light, vivid yellow-green. Relative luminance 0.718; OKLCH L 88.1% C 0.190 H 128.8°. Best body text is #000000 at 15.36:1 contrast (WCAG AA passes).

Color values

HEX	#B1EF58
RGB	rgb(177, 239, 88)
HSL	hsl(85, 83%, 64%)
HSV	hsv(85, 63%, 94%)
CMYK	cmyk(25.9%, 0%, 63.2%, 6.3%)
CIE-LAB	lab(87.86, -42.03, 64.61)
CIE-LCH	lch(87.86, 77.08, 123.04°)
OKLab	oklab(88.11% -0.119 0.1482)
OKLCH	oklch(88.11% 0.19 128.8)
XYZ	xyz(50.7592, 71.7835, 20.4119)
Luminance	0.7178 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1EF58 #9658EF

analogous

#EFE258 #B1EF58 #66EF58

triadic

#B1EF58 #58B1EF #EF58B1

tetradic

#B1EF58 #58EFE2 #9658EF #EF5866

square

#B1EF58 #58EFE2 #9658EF #EF5866

split-complementary

#B1EF58 #5866EF #E258EF

monochromatic

#75BB12 #97EA20 #B1EF58 #CBF490 #E5FAC8

Accessibility & contrast

On white

1.37

#B1EF58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.36

#B1EF58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1EF58

15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1EF58	#FFFFFF	#000000	##000000
##B1EF58	1.00	1.37	15.36	15.36
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.36	21.00	1.00	1.00
##000000	15.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FADF45

Deuteranopia (green-blind)

#F1DB64

Tritanopia (blue-blind)

#B6E5D0

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #b1ef58;
/* rgb */ color: rgb(177, 239, 88);
/* oklch */ color: oklch(88.1% 0.190 128.8);

Tailwind

colors: {
  custom: {
    50: '#ccf48d',
    500: '#b1ef58',
    950: '#000000',
  },
}

SCSS

$custom: #b1ef58;
$custom-light: #ccf48d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ef58",
  "rgb": {
    "r": 177,
    "g": 239,
    "b": 88
  },
  "hsl": {
    "h": 84.636,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.88107,
    "c": 0.19007,
    "h": 128.8
  },
  "luminance": 0.71785
}

Semantic roles & 50–950 ramp

primary

#B1EF58

secondary

#6932BA

accent

#07DF5F

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1EF58

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

Preview Lab → · Contrast checker → · Palette generator →