#B1E378#B1E378

#B1E378 is a very light, vivid yellow-green. Relative luminance 0.656; OKLCH L 85.7% C 0.146 H 129.6°. Best body text is #000000 at 14.13:1 contrast (WCAG AA passes).

Color values

HEX	#B1E378
RGB	rgb(177, 227, 120)
HSL	hsl(88, 66%, 68%)
HSV	hsv(88, 47%, 89%)
CMYK	cmyk(22%, 0%, 47.1%, 11%)
CIE-LAB	lab(84.81, -33.65, 46.85)
CIE-LCH	lch(84.81, 57.68, 125.68°)
OKLab	oklab(85.74% -0.0933 0.1127)
OKLCH	oklch(85.74% 0.146 129.6)
XYZ	xyz(48.9902, 65.6404, 27.8545)
Luminance	0.6564 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Light Yellowish Green

#C2FF89

ΔE00 5.92

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E378 #AA78E3

analogous

#E3DF78 #B1E378 #7BE378

triadic

#B1E378 #78B1E3 #E378B1

tetradic

#B1E378 #78E3DF #AA78E3 #E3787B

square

#B1E378 #78E3DF #AA78E3 #E3787B

split-complementary

#B1E378 #787BE3 #DF78E3

monochromatic

#75BA27 #94D845 #B1E378 #CEEEAB #ECF8DD

Accessibility & contrast

On white

1.49

#B1E378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.13

#B1E378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E378

14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E378	#FFFFFF	#000000	##000000
##B1E378	1.00	1.49	14.13	14.13
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.13	21.00	1.00	1.00
##000000	14.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD66F

Deuteranopia (green-blind)

#E5D37E

Tritanopia (blue-blind)

#B5DBCA

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #b1e378;
/* rgb */ color: rgb(177, 227, 120);
/* oklch */ color: oklch(85.7% 0.146 129.6);

Tailwind

colors: {
  custom: {
    50: '#caeca1',
    500: '#b1e378',
    950: '#000000',
  },
}

SCSS

$custom: #b1e378;
$custom-light: #caeca1;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e378",
  "rgb": {
    "r": 177,
    "g": 227,
    "b": 120
  },
  "hsl": {
    "h": 88.037,
    "s": 65.644,
    "l": 68.039
  },
  "oklch": {
    "l": 0.85742,
    "c": 0.1463,
    "h": 129.6
  },
  "luminance": 0.65641
}

Semantic roles & 50–950 ramp

primary

#B1E378

secondary

#7C45BA

accent

#18CD6D

background

#FEFEFC

surface

#FAFDF5

border

#D3D5CF

text

#13160F

muted

#838480

Preview Lab

Preview with #B1E378

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

Preview Lab → · Contrast checker → · Palette generator →