#B1E454#B1E454

#B1E454 is a very light, vivid yellow-green. Relative luminance 0.655; OKLCH L 85.6% C 0.179 H 126.5°. Best body text is #000000 at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#B1E454
RGB	rgb(177, 228, 84)
HSL	hsl(81, 73%, 61%)
HSV	hsv(81, 63%, 89%)
CMYK	cmyk(22.4%, 0%, 63.2%, 10.6%)
CIE-LAB	lab(84.73, -37.45, 62.85)
CIE-LCH	lch(84.73, 73.16, 120.79°)
OKLab	oklab(85.56% -0.1067 0.144)
OKLCH	oklch(85.56% 0.179 126.5)
XYZ	xyz(47.4752, 65.4733, 18.5222)
Luminance	0.6547 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E454 #8754E4

analogous

#E4CF54 #B1E454 #69E454

triadic

#B1E454 #54B1E4 #E454B1

tetradic

#B1E454 #54E4CF #8754E4 #E45469

square

#B1E454 #54E4CF #8754E4 #E45469

split-complementary

#B1E454 #5469E4 #CF54E4

monochromatic

#73A41A #98D922 #B1E454 #C9EC89 #E1F5BE

Accessibility & contrast

On white

1.49

#B1E454 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.09

#B1E454 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E454

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E454	#FFFFFF	#000000	##000000
##B1E454	1.00	1.49	14.09	14.09
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.09	21.00	1.00	1.00
##000000	14.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD642

Deuteranopia (green-blind)

#E8D35F

Tritanopia (blue-blind)

#B8DAC6

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #b1e454;
/* rgb */ color: rgb(177, 228, 84);
/* oklch */ color: oklch(85.6% 0.179 126.5);

Tailwind

colors: {
  custom: {
    50: '#ccec8a',
    500: '#b1e454',
    950: '#000000',
  },
}

SCSS

$custom: #b1e454;
$custom-light: #ccec8a;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e454",
  "rgb": {
    "r": 177,
    "g": 228,
    "b": 84
  },
  "hsl": {
    "h": 81.25,
    "s": 72.727,
    "l": 61.176
  },
  "oklch": {
    "l": 0.85555,
    "c": 0.17923,
    "h": 126.5
  },
  "luminance": 0.65474
}

Semantic roles & 50–950 ramp

primary

#B1E454

secondary

#5E36A6

accent

#11D556

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160C

muted

#83847F

Preview Lab

Preview with #B1E454

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

Preview Lab → · Contrast checker → · Palette generator →