#B1F15C#B1F15C

#B1F15C is a very light, vivid yellow-green. Relative luminance 0.730; OKLCH L 88.6% C 0.190 H 129.4°. Best body text is #000000 at 15.61:1 contrast (WCAG AA passes).

Color values

HEX	#B1F15C
RGB	rgb(177, 241, 92)
HSL	hsl(86, 84%, 65%)
HSV	hsv(86, 62%, 95%)
CMYK	cmyk(26.6%, 0%, 61.8%, 5.5%)
CIE-LAB	lab(88.46, -42.59, 63.63)
CIE-LCH	lch(88.46, 76.57, 123.80°)
OKLab	oklab(88.6% -0.1202 0.1466)
OKLCH	oklch(88.6% 0.19 129.4)
XYZ	xyz(51.5182, 73.0291, 21.5049)
Luminance	0.7303 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.49

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F15C #9C5CF1

analogous

#F1E75C #B1F15C #66F15C

triadic

#B1F15C #5CB1F1 #F15CB1

tetradic

#B1F15C #5CF1E7 #9C5CF1 #F15C66

square

#B1F15C #5CF1E7 #9C5CF1 #F15C66

split-complementary

#B1F15C #5C66F1 #E75CF1

monochromatic

#76C211 #96EC24 #B1F15C #CCF694 #E7FBCD

Accessibility & contrast

On white

1.35

#B1F15C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.61

#B1F15C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F15C

15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F15C	#FFFFFF	#000000	##000000
##B1F15C	1.00	1.35	15.61	15.61
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.61	21.00	1.00	1.00
##000000	15.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE14A

Deuteranopia (green-blind)

#F3DD67

Tritanopia (blue-blind)

#B6E7D2

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #b1f15c;
/* rgb */ color: rgb(177, 241, 92);
/* oklch */ color: oklch(88.6% 0.190 129.4);

Tailwind

colors: {
  custom: {
    50: '#ccf690',
    500: '#b1f15c',
    950: '#000000',
  },
}

SCSS

$custom: #b1f15c;
$custom-light: #ccf690;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f15c",
  "rgb": {
    "r": 177,
    "g": 241,
    "b": 92
  },
  "hsl": {
    "h": 85.772,
    "s": 84.181,
    "l": 65.294
  },
  "oklch": {
    "l": 0.88602,
    "c": 0.1896,
    "h": 129.4
  },
  "luminance": 0.7303
}

Semantic roles & 50–950 ramp

primary

#B1F15C

secondary

#6F32C0

accent

#05E163

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1F15C

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

Preview Lab → · Contrast checker → · Palette generator →