#B1F374#B1F374

#B1F374 is a very light, vivid yellow-green. Relative luminance 0.747; OKLCH L 89.3% C 0.172 H 131.8°. Best body text is #000000 at 15.94:1 contrast (WCAG AA passes).

Color values

HEX	#B1F374
RGB	rgb(177, 243, 116)
HSL	hsl(91, 84%, 70%)
HSV	hsv(91, 52%, 95%)
CMYK	cmyk(27.2%, 0%, 52.3%, 4.7%)
CIE-LAB	lab(89.26, -41.28, 54.10)
CIE-LCH	lch(89.26, 68.05, 127.35°)
OKLab	oklab(89.32% -0.1147 0.1284)
OKLCH	oklch(89.32% 0.172 131.8)
XYZ	xyz(53.3337, 74.7077, 28.1297)
Luminance	0.7471 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F374 #B674F3

analogous

#F1F374 #B1F374 #74F376

triadic

#B1F374 #74B1F3 #F374B1

tetradic

#B1F374 #74F1F3 #B674F3 #F37674

square

#B1F374 #74F1F3 #B674F3 #F37674

split-complementary

#B1F374 #7674F3 #F374F1

monochromatic

#72DA13 #91EE3C #B1F374 #D1F8AC #EFFDE3

Accessibility & contrast

On white

1.32

#B1F374 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.94

#B1F374 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F374

15.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F374	#FFFFFF	#000000	##000000
##B1F374	1.00	1.32	15.94	15.94
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.94	21.00	1.00	1.00
##000000	15.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE468

Deuteranopia (green-blind)

#F3DE7C

Tritanopia (blue-blind)

#B3EAD6

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #b1f374;
/* rgb */ color: rgb(177, 243, 116);
/* oklch */ color: oklch(89.3% 0.172 131.8);

Tailwind

colors: {
  custom: {
    50: '#cbf79f',
    500: '#b1f374',
    950: '#000000',
  },
}

SCSS

$custom: #b1f374;
$custom-light: #cbf79f;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f374",
  "rgb": {
    "r": 177,
    "g": 243,
    "b": 116
  },
  "hsl": {
    "h": 91.181,
    "s": 84.106,
    "l": 70.392
  },
  "oklch": {
    "l": 0.8932,
    "c": 0.17221,
    "h": 131.8
  },
  "luminance": 0.74709
}

Semantic roles & 50–950 ramp

primary

#B1F374

secondary

#883ECD

accent

#05E177

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170F

muted

#838580

Preview Lab

Preview with #B1F374

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

Preview Lab → · Contrast checker → · Palette generator →