#B1F375#B1F375

#B1F375 is a very light, vivid yellow-green. Relative luminance 0.747; OKLCH L 89.3% C 0.171 H 131.9°. Best body text is #000000 at 15.95:1 contrast (WCAG AA passes).

Color values

HEX	#B1F375
RGB	rgb(177, 243, 117)
HSL	hsl(91, 84%, 71%)
HSV	hsv(91, 52%, 95%)
CMYK	cmyk(27.2%, 0%, 51.9%, 4.7%)
CIE-LAB	lab(89.27, -41.18, 53.65)
CIE-LCH	lch(89.27, 67.63, 127.51°)
OKLab	oklab(89.33% -0.1144 0.1275)
OKLCH	oklch(89.33% 0.171 131.9)
XYZ	xyz(53.3922, 74.7311, 28.4377)
Luminance	0.7473 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Light Yellowish Green

#C2FF89

ΔE00 3.02

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F375 #B775F3

analogous

#F0F375 #B1F375 #75F378

triadic

#B1F375 #75B1F3 #F375B1

tetradic

#B1F375 #75F0F3 #B775F3 #F37875

square

#B1F375 #75F0F3 #B775F3 #F37875

split-complementary

#B1F375 #7875F3 #F375F0

monochromatic

#72DB13 #91EE3D #B1F375 #D1F8AD #EFFDE3

Accessibility & contrast

On white

1.32

#B1F375 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.95

#B1F375 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F375

15.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F375	#FFFFFF	#000000	##000000
##B1F375	1.00	1.32	15.95	15.95
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.95	21.00	1.00	1.00
##000000	15.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE469

Deuteranopia (green-blind)

#F3DF7D

Tritanopia (blue-blind)

#B3EAD6

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #b1f375;
/* rgb */ color: rgb(177, 243, 117);
/* oklch */ color: oklch(89.3% 0.171 131.9);

Tailwind

colors: {
  custom: {
    50: '#cbf7a0',
    500: '#b1f375',
    950: '#000000',
  },
}

SCSS

$custom: #b1f375;
$custom-light: #cbf7a0;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f375",
  "rgb": {
    "r": 177,
    "g": 243,
    "b": 117
  },
  "hsl": {
    "h": 91.429,
    "s": 84,
    "l": 70.588
  },
  "oklch": {
    "l": 0.89333,
    "c": 0.1713,
    "h": 131.9
  },
  "luminance": 0.74733
}

Semantic roles & 50–950 ramp

primary

#B1F375

secondary

#893FCD

accent

#05E078

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170F

muted

#838580

Preview Lab

Preview with #B1F375

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

Preview Lab → · Contrast checker → · Palette generator →