#B1F05D#B1F05D

#B1F05D is a very light, vivid yellow-green. Relative luminance 0.725; OKLCH L 88.4% C 0.188 H 129.3°. Best body text is #000000 at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#B1F05D
RGB	rgb(177, 240, 93)
HSL	hsl(86, 83%, 65%)
HSV	hsv(86, 61%, 94%)
CMYK	cmyk(26.3%, 0%, 61.2%, 5.9%)
CIE-LAB	lab(88.19, -42.08, 62.92)
CIE-LCH	lch(88.19, 75.69, 123.77°)
OKLab	oklab(88.38% -0.1187 0.1452)
OKLCH	oklch(88.38% 0.188 129.3)
XYZ	xyz(51.2670, 72.4564, 21.6382)
Luminance	0.7246 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.54

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F05D #9C5DF0

analogous

#F0E55D #B1F05D #68F05D

triadic

#B1F05D #5DB1F0 #F05DB1

tetradic

#B1F05D #5DF0E5 #9C5DF0 #F05D68

square

#B1F05D #5DF0E5 #9C5DF0 #F05D68

split-complementary

#B1F05D #5D68F0 #E55DF0

monochromatic

#76C112 #96EB25 #B1F05D #CCF595 #E7FACD

Accessibility & contrast

On white

1.36

#B1F05D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.49

#B1F05D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F05D

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F05D	#FFFFFF	#000000	##000000
##B1F05D	1.00	1.36	15.49	15.49
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.49	21.00	1.00	1.00
##000000	15.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE04C

Deuteranopia (green-blind)

#F2DC68

Tritanopia (blue-blind)

#B6E6D1

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #b1f05d;
/* rgb */ color: rgb(177, 240, 93);
/* oklch */ color: oklch(88.4% 0.188 129.3);

Tailwind

colors: {
  custom: {
    50: '#ccf590',
    500: '#b1f05d',
    950: '#000000',
  },
}

SCSS

$custom: #b1f05d;
$custom-light: #ccf590;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f05d",
  "rgb": {
    "r": 177,
    "g": 240,
    "b": 93
  },
  "hsl": {
    "h": 85.714,
    "s": 83.051,
    "l": 65.294
  },
  "oklch": {
    "l": 0.88382,
    "c": 0.18756,
    "h": 129.3
  },
  "luminance": 0.72458
}

Semantic roles & 50–950 ramp

primary

#B1F05D

secondary

#6F32BF

accent

#06DF63

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1F05D

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

Preview Lab → · Contrast checker → · Palette generator →