#B1E561#B1E561

#B1E561 is a very light, vivid yellow-green. Relative luminance 0.662; OKLCH L 85.9% C 0.170 H 127.7°. Best body text is #000000 at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#B1E561
RGB	rgb(177, 229, 97)
HSL	hsl(84, 72%, 64%)
HSV	hsv(84, 58%, 90%)
CMYK	cmyk(22.7%, 0%, 57.6%, 10.2%)
CIE-LAB	lab(85.12, -36.85, 57.80)
CIE-LCH	lch(85.12, 68.55, 122.52°)
OKLab	oklab(85.91% -0.1039 0.1347)
OKLCH	oklch(85.91% 0.17 127.7)
XYZ	xyz(48.3083, 66.2480, 21.5490)
Luminance	0.6625 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E561 #9561E5

analogous

#E5D761 #B1E561 #6FE561

triadic

#B1E561 #61B1E5 #E561B1

tetradic

#B1E561 #61E5D7 #9561E5 #E5616F

square

#B1E561 #61E5D7 #9561E5 #E5616F

split-complementary

#B1E561 #616FE5 #D761E5

monochromatic

#75AF1D #97DC2C #B1E561 #CBEE96 #E5F6CA

Accessibility & contrast

On white

1.47

#B1E561 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.25

#B1E561 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E561

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E561	#FFFFFF	#000000	##000000
##B1E561	1.00	1.47	14.25	14.25
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.25	21.00	1.00	1.00
##000000	14.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD753

Deuteranopia (green-blind)

#E8D46A

Tritanopia (blue-blind)

#B6DCC8

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #b1e561;
/* rgb */ color: rgb(177, 229, 97);
/* oklch */ color: oklch(85.9% 0.170 127.7);

Tailwind

colors: {
  custom: {
    50: '#cbed92',
    500: '#b1e561',
    950: '#000000',
  },
}

SCSS

$custom: #b1e561;
$custom-light: #cbed92;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e561",
  "rgb": {
    "r": 177,
    "g": 229,
    "b": 97
  },
  "hsl": {
    "h": 83.636,
    "s": 71.739,
    "l": 63.922
  },
  "oklch": {
    "l": 0.85911,
    "c": 0.17016,
    "h": 127.7
  },
  "luminance": 0.66249
}

Semantic roles & 50–950 ramp

primary

#B1E561

secondary

#693AB0

accent

#12D45E

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14160D

muted

#83857F

Preview Lab

Preview with #B1E561

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

Preview Lab → · Contrast checker → · Palette generator →