#B1E554#B1E554

#B1E554 is a very light, vivid yellow-green. Relative luminance 0.660; OKLCH L 85.8% C 0.180 H 126.7°. Best body text is #000000 at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#B1E554
RGB	rgb(177, 229, 84)
HSL	hsl(82, 74%, 61%)
HSV	hsv(82, 63%, 90%)
CMYK	cmyk(22.7%, 0%, 63.3%, 10.2%)
CIE-LAB	lab(85.01, -37.90, 63.15)
CIE-LCH	lch(85.01, 73.65, 120.97°)
OKLab	oklab(85.78% -0.108 0.1446)
OKLCH	oklch(85.78% 0.18 126.7)
XYZ	xyz(47.7511, 66.0251, 18.6141)
Luminance	0.6603 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E554 #8854E5

analogous

#E5D054 #B1E554 #69E554

triadic

#B1E554 #54B1E5 #E554B1

tetradic

#B1E554 #54E5D0 #8854E5 #E55469

square

#B1E554 #54E5D0 #8854E5 #E55469

split-complementary

#B1E554 #5469E5 #D054E5

monochromatic

#73A519 #98DB21 #B1E554 #C9ED89 #E1F5BE

Accessibility & contrast

On white

1.48

#B1E554 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.21

#B1E554 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E554

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E554	#FFFFFF	#000000	##000000
##B1E554	1.00	1.48	14.21	14.21
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.21	21.00	1.00	1.00
##000000	14.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D642

Deuteranopia (green-blind)

#E9D35F

Tritanopia (blue-blind)

#B7DBC7

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #b1e554;
/* rgb */ color: rgb(177, 229, 84);
/* oklch */ color: oklch(85.8% 0.180 126.7);

Tailwind

colors: {
  custom: {
    50: '#cced8a',
    500: '#b1e554',
    950: '#000000',
  },
}

SCSS

$custom: #b1e554;
$custom-light: #cced8a;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e554",
  "rgb": {
    "r": 177,
    "g": 229,
    "b": 84
  },
  "hsl": {
    "h": 81.517,
    "s": 73.604,
    "l": 61.373
  },
  "oklch": {
    "l": 0.85783,
    "c": 0.18049,
    "h": 126.7
  },
  "luminance": 0.66026
}

Semantic roles & 50–950 ramp

primary

#B1E554

secondary

#5E36A8

accent

#10D657

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14160C

muted

#83857F

Preview Lab

Preview with #B1E554

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

Preview Lab → · Contrast checker → · Palette generator →