#B1F45F#B1F45F

#B1F45F is a very light, vivid yellow-green. Relative luminance 0.749; OKLCH L 89.3% C 0.191 H 130.0°. Best body text is #000000 at 15.98:1 contrast (WCAG AA passes).

Color values

HEX	#B1F45F
RGB	rgb(177, 244, 95)
HSL	hsl(87, 87%, 66%)
HSV	hsv(87, 61%, 96%)
CMYK	cmyk(27.5%, 0%, 61.1%, 4.3%)
CIE-LAB	lab(89.33, -43.66, 63.35)
CIE-LCH	lch(89.33, 76.94, 124.57°)
OKLab	oklab(89.32% -0.1229 0.1464)
OKLCH	oklch(89.32% 0.191 130)
XYZ	xyz(52.5473, 74.8733, 22.5077)
Luminance	0.7488 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F45F #A25FF4

analogous

#F4ED5F #B1F45F #67F45F

triadic

#B1F45F #5FB1F4 #F45FB1

tetradic

#B1F45F #5FF4ED #A25FF4 #F45F67

square

#B1F45F #5FF4ED #A25FF4 #F45F67

split-complementary

#B1F45F #5F67F4 #ED5FF4

monochromatic

#76CB0E #95F026 #B1F45F #CDF898 #E9FCD2

Accessibility & contrast

On white

1.31

#B1F45F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.98

#B1F45F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F45F

15.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F45F	#FFFFFF	#000000	##000000
##B1F45F	1.00	1.31	15.98	15.98
#FFFFFF	1.31	1.00	21.00	21.00
#000000	15.98	21.00	1.00	1.00
##000000	15.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE44D

Deuteranopia (green-blind)

#F5DF6A

Tritanopia (blue-blind)

#B5EAD5

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #b1f45f;
/* rgb */ color: rgb(177, 244, 95);
/* oklch */ color: oklch(89.3% 0.191 130.0);

Tailwind

colors: {
  custom: {
    50: '#ccf892',
    500: '#b1f45f',
    950: '#000000',
  },
}

SCSS

$custom: #b1f45f;
$custom-light: #ccf892;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f45f",
  "rgb": {
    "r": 177,
    "g": 244,
    "b": 95
  },
  "hsl": {
    "h": 86.98,
    "s": 87.135,
    "l": 66.471
  },
  "oklch": {
    "l": 0.89317,
    "c": 0.19112,
    "h": 130
  },
  "luminance": 0.74875
}

Semantic roles & 50–950 ramp

primary

#B1F45F

secondary

#7430C7

accent

#02E467

background

#FEFFFC

surface

#FBFFF4

border

#D4D7CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1F45F

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

Preview Lab → · Contrast checker → · Palette generator →