#B1F865#B1F865

#B1F865 is a very light, vivid yellow-green. Relative luminance 0.774; OKLCH L 90.3% C 0.192 H 131.1°. Best body text is #000000 at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#B1F865
RGB	rgb(177, 248, 101)
HSL	hsl(89, 91%, 68%)
HSV	hsv(89, 59%, 97%)
CMYK	cmyk(28.6%, 0%, 59.3%, 2.7%)
CIE-LAB	lab(90.51, -44.88, 62.16)
CIE-LCH	lch(90.51, 76.66, 125.83°)
OKLab	oklab(90.29% -0.1258 0.1444)
OKLCH	oklch(90.29% 0.192 131.1)
XYZ	xyz(54.0472, 77.4199, 24.4053)
Luminance	0.7742 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 2.15

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F865 #AC65F8

analogous

#F8F665 #B1F865 #67F865

triadic

#B1F865 #65B1F8 #F865B1

tetradic

#B1F865 #65F8F6 #AC65F8 #F86567

square

#B1F865 #65F8F6 #AC65F8 #F86567

split-complementary

#B1F865 #6567F8 #F665F8

monochromatic

#75D90A #93F52A #B1F865 #CFFBA0 #ECFDDA

Accessibility & contrast

On white

1.27

#B1F865 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.48

#B1F865 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F865

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F865	#FFFFFF	#000000	##000000
##B1F865	1.00	1.27	16.48	16.48
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.48	21.00	1.00	1.00
##000000	16.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE755

Deuteranopia (green-blind)

#F8E270

Tritanopia (blue-blind)

#B4EED9

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #b1f865;
/* rgb */ color: rgb(177, 248, 101);
/* oklch */ color: oklch(90.3% 0.192 131.1);

Tailwind

colors: {
  custom: {
    50: '#ccfb96',
    500: '#b1f865',
    950: '#000000',
  },
}

SCSS

$custom: #b1f865;
$custom-light: #ccfb96;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f865",
  "rgb": {
    "r": 177,
    "g": 248,
    "b": 101
  },
  "hsl": {
    "h": 88.98,
    "s": 91.304,
    "l": 68.431
  },
  "oklch": {
    "l": 0.90293,
    "c": 0.19154,
    "h": 131.1
  },
  "luminance": 0.77422
}

Semantic roles & 50–950 ramp

primary

#B1F865

secondary

#7E30D1

accent

#00E66F

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B1F865

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

Preview Lab → · Contrast checker → · Palette generator →