#B1F150#B1F150

#B1F150 is a very light, vivid yellow-green. Relative luminance 0.728; OKLCH L 88.5% C 0.198 H 128.6°. Best body text is #000000 at 15.57:1 contrast (WCAG AA passes).

Color values

HEX	#B1F150
RGB	rgb(177, 241, 80)
HSL	hsl(84, 85%, 63%)
HSV	hsv(84, 67%, 95%)
CMYK	cmyk(26.6%, 0%, 66.8%, 5.5%)
CIE-LAB	lab(88.37, -43.48, 68.27)
CIE-LCH	lch(88.37, 80.94, 122.49°)
OKLab	oklab(88.5% -0.1236 0.1549)
OKLCH	oklch(88.5% 0.198 128.6)
XYZ	xyz(51.0346, 72.8357, 18.9577)
Luminance	0.7284 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F150 #9050F1

analogous

#F1E050 #B1F150 #60F150

triadic

#B1F150 #50B1F1 #F150B1

tetradic

#B1F150 #50F1E0 #9050F1 #F15060

square

#B1F150 #50F1E0 #9050F1 #F15060

split-complementary

#B1F150 #5060F1 #E050F1

monochromatic

#75B80F #98EC17 #B1F150 #CAF689 #E4FAC1

Accessibility & contrast

On white

1.35

#B1F150 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.57

#B1F150 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F150

15.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F150	#FFFFFF	#000000	##000000
##B1F150	1.00	1.35	15.57	15.57
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.57	21.00	1.00	1.00
##000000	15.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE139

Deuteranopia (green-blind)

#F3DC5D

Tritanopia (blue-blind)

#B6E7D1

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #b1f150;
/* rgb */ color: rgb(177, 241, 80);
/* oklch */ color: oklch(88.5% 0.198 128.6);

Tailwind

colors: {
  custom: {
    50: '#ccf689',
    500: '#b1f150',
    950: '#000000',
  },
}

SCSS

$custom: #b1f150;
$custom-light: #ccf689;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f150",
  "rgb": {
    "r": 177,
    "g": 241,
    "b": 80
  },
  "hsl": {
    "h": 83.851,
    "s": 85.185,
    "l": 62.941
  },
  "oklch": {
    "l": 0.88497,
    "c": 0.19817,
    "h": 128.6
  },
  "luminance": 0.72837
}

Semantic roles & 50–950 ramp

primary

#B1F150

secondary

#652EB7

accent

#04E25C

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170C

muted

#83857F

Preview Lab

Preview with #B1F150

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

Preview Lab → · Contrast checker → · Palette generator →