#B1F25F#B1F25F

#B1F25F is a very light, vivid yellow-green. Relative luminance 0.737; OKLCH L 88.9% C 0.189 H 129.7°. Best body text is #000000 at 15.74:1 contrast (WCAG AA passes).

Color values

HEX	#B1F25F
RGB	rgb(177, 242, 95)
HSL	hsl(87, 85%, 66%)
HSV	hsv(87, 61%, 95%)
CMYK	cmyk(26.9%, 0%, 60.7%, 5.1%)
CIE-LAB	lab(88.77, -42.79, 62.73)
CIE-LCH	lch(88.77, 75.93, 124.30°)
OKLab	oklab(88.86% -0.1205 0.145)
OKLCH	oklch(88.86% 0.189 129.7)
XYZ	xyz(51.9488, 73.6763, 22.3082)
Luminance	0.7368 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.14

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F25F #A05FF2

analogous

#F2EA5F #B1F25F #67F25F

triadic

#B1F25F #5FB1F2 #F25FB1

tetradic

#B1F25F #5FF2EA #A05FF2 #F25F67

square

#B1F25F #5FF2EA #A05FF2 #F25F67

split-complementary

#B1F25F #5F67F2 #EA5FF2

monochromatic

#76C610 #95ED26 #B1F25F #CDF798 #E8FBD0

Accessibility & contrast

On white

1.33

#B1F25F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.74

#B1F25F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F25F

15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F25F	#FFFFFF	#000000	##000000
##B1F25F	1.00	1.33	15.74	15.74
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.74	21.00	1.00	1.00
##000000	15.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE24E

Deuteranopia (green-blind)

#F3DD6A

Tritanopia (blue-blind)

#B5E8D3

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #b1f25f;
/* rgb */ color: rgb(177, 242, 95);
/* oklch */ color: oklch(88.9% 0.189 129.7);

Tailwind

colors: {
  custom: {
    50: '#ccf692',
    500: '#b1f25f',
    950: '#000000',
  },
}

SCSS

$custom: #b1f25f;
$custom-light: #ccf692;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f25f",
  "rgb": {
    "r": 177,
    "g": 242,
    "b": 95
  },
  "hsl": {
    "h": 86.531,
    "s": 84.971,
    "l": 66.078
  },
  "oklch": {
    "l": 0.88859,
    "c": 0.18856,
    "h": 129.7
  },
  "luminance": 0.73678
}

Semantic roles & 50–950 ramp

primary

#B1F25F

secondary

#7232C4

accent

#04E166

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1F25F

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

Preview Lab → · Contrast checker → · Palette generator →