#B1E45C#B1E45C

#B1E45C is a very light, vivid yellow-green. Relative luminance 0.656; OKLCH L 85.6% C 0.173 H 127.1°. Best body text is #000000 at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#B1E45C
RGB	rgb(177, 228, 92)
HSL	hsl(83, 72%, 63%)
HSV	hsv(83, 60%, 89%)
CMYK	cmyk(22.4%, 0%, 59.6%, 10.6%)
CIE-LAB	lab(84.80, -36.82, 59.59)
CIE-LCH	lch(84.80, 70.05, 121.71°)
OKLab	oklab(85.63% -0.1043 0.138)
OKLCH	oklch(85.63% 0.173 127.1)
XYZ	xyz(47.8066, 65.6059, 20.2677)
Luminance	0.6561 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 5.70

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E45C #8F5CE4

analogous

#E4D35C #B1E45C #6DE45C

triadic

#B1E45C #5CB1E4 #E45CB1

tetradic

#B1E45C #5CE4D3 #8F5CE4 #E45C6D

square

#B1E45C #5CE4D3 #8F5CE4 #E45C6D

split-complementary

#B1E45C #5C6DE4 #D35CE4

monochromatic

#74AA1C #98DB27 #B1E45C #CAED91 #E3F5C5

Accessibility & contrast

On white

1.49

#B1E45C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.12

#B1E45C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E45C

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E45C	#FFFFFF	#000000	##000000
##B1E45C	1.00	1.49	14.12	14.12
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.12	21.00	1.00	1.00
##000000	14.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD64D

Deuteranopia (green-blind)

#E8D366

Tritanopia (blue-blind)

#B7DAC7

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #b1e45c;
/* rgb */ color: rgb(177, 228, 92);
/* oklch */ color: oklch(85.6% 0.173 127.1);

Tailwind

colors: {
  custom: {
    50: '#cbec8f',
    500: '#b1e45c',
    950: '#000000',
  },
}

SCSS

$custom: #b1e45c;
$custom-light: #cbec8f;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e45c",
  "rgb": {
    "r": 177,
    "g": 228,
    "b": 92
  },
  "hsl": {
    "h": 82.5,
    "s": 71.579,
    "l": 62.745
  },
  "oklch": {
    "l": 0.85632,
    "c": 0.173,
    "h": 127.1
  },
  "luminance": 0.65607
}

Semantic roles & 50–950 ramp

primary

#B1E45C

secondary

#6439AB

accent

#12D45B

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160D

muted

#83847F

Preview Lab

Preview with #B1E45C

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

Preview Lab → · Contrast checker → · Palette generator →