#B1F964#B1F964

#B1F964 is a very light, vivid yellow-green. Relative luminance 0.780; OKLCH L 90.5% C 0.194 H 131.1°. Best body text is #000000 at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#B1F964
RGB	rgb(177, 249, 100)
HSL	hsl(89, 93%, 68%)
HSV	hsv(89, 60%, 98%)
CMYK	cmyk(28.9%, 0%, 59.8%, 2.4%)
CIE-LAB	lab(90.79, -45.39, 62.88)
CIE-LCH	lch(90.79, 77.56, 125.82°)
OKLab	oklab(90.51% -0.1273 0.1459)
OKLCH	oklch(90.51% 0.194 131.1)
XYZ	xyz(54.3068, 78.0169, 24.2516)
Luminance	0.7802 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 2.24

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F964 #AC64F9

analogous

#F9F664 #B1F964 #66F964

triadic

#B1F964 #64B1F9 #F964B1

tetradic

#B1F964 #64F9F6 #AC64F9 #F96466

square

#B1F964 #64F9F6 #AC64F9 #F96466

split-complementary

#B1F964 #6466F9 #F664F9

monochromatic

#75DA08 #93F729 #B1F964 #CFFB9F #ECFEDA

Accessibility & contrast

On white

1.26

#B1F964 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.60

#B1F964 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F964

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F964	#FFFFFF	#000000	##000000
##B1F964	1.00	1.26	16.60	16.60
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.60	21.00	1.00	1.00
##000000	16.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE853

Deuteranopia (green-blind)

#F9E36F

Tritanopia (blue-blind)

#B4EFD9

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #b1f964;
/* rgb */ color: rgb(177, 249, 100);
/* oklch */ color: oklch(90.5% 0.194 131.1);

Tailwind

colors: {
  custom: {
    50: '#ccfb95',
    500: '#b1f964',
    950: '#000000',
  },
}

SCSS

$custom: #b1f964;
$custom-light: #ccfb95;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f964",
  "rgb": {
    "r": 177,
    "g": 249,
    "b": 100
  },
  "hsl": {
    "h": 88.993,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.90512,
    "c": 0.19361,
    "h": 131.1
  },
  "luminance": 0.78019
}

Semantic roles & 50–950 ramp

primary

#B1F964

secondary

#7E2FD2

accent

#00E66F

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B1F964

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

Preview Lab → · Contrast checker → · Palette generator →