#B1F975#B1F975

#B1F975 is a very light, vivid yellow-green. Relative luminance 0.784; OKLCH L 90.7% C 0.179 H 132.7°. Best body text is #000000 at 16.68:1 contrast (WCAG AA passes).

Color values

HEX	#B1F975
RGB	rgb(177, 249, 117)
HSL	hsl(93, 92%, 72%)
HSV	hsv(93, 53%, 98%)
CMYK	cmyk(28.9%, 0%, 53%, 2.4%)
CIE-LAB	lab(90.95, -43.80, 55.66)
CIE-LCH	lch(90.95, 70.82, 128.20°)
OKLab	oklab(90.7% -0.1216 0.1319)
OKLCH	oklch(90.7% 0.179 132.7)
XYZ	xyz(55.2171, 78.3811, 29.0460)
Luminance	0.7838 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F975 #BD75F9

analogous

#F3F975 #B1F975 #75F97B

triadic

#B1F975 #75B1F9 #F975B1

tetradic

#B1F975 #75F3F9 #BD75F9 #F97B75

square

#B1F975 #75F3F9 #BD75F9 #F97B75

split-complementary

#B1F975 #7B75F9 #F975F3

monochromatic

#70E90A #90F63A #B1F975 #D2FCB0 #EEFEE2

Accessibility & contrast

On white

1.26

#B1F975 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.68

#B1F975 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F975

16.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F975	#FFFFFF	#000000	##000000
##B1F975	1.00	1.26	16.68	16.68
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.68	21.00	1.00	1.00
##000000	16.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE969

Deuteranopia (green-blind)

#F8E37E

Tritanopia (blue-blind)

#B2F0DB

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #b1f975;
/* rgb */ color: rgb(177, 249, 117);
/* oklch */ color: oklch(90.7% 0.179 132.7);

Tailwind

colors: {
  custom: {
    50: '#cbfba0',
    500: '#b1f975',
    950: '#000000',
  },
}

SCSS

$custom: #b1f975;
$custom-light: #cbfba0;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f975",
  "rgb": {
    "r": 177,
    "g": 249,
    "b": 117
  },
  "hsl": {
    "h": 92.727,
    "s": 91.667,
    "l": 71.765
  },
  "oklch": {
    "l": 0.907,
    "c": 0.17942,
    "h": 132.7
  },
  "luminance": 0.78383
}

Semantic roles & 50–950 ramp

primary

#B1F975

secondary

#903DD5

accent

#00E67D

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170F

muted

#838580

Preview Lab

Preview with #B1F975

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

Preview Lab → · Contrast checker → · Palette generator →