#B5E54E#B5E54E

#B5E54E is a very light, vivid yellow-green. Relative luminance 0.664; OKLCH L 86.0% C 0.183 H 125.3°. Best body text is #000000 at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#B5E54E
RGB	rgb(181, 229, 78)
HSL	hsl(79, 74%, 60%)
HSV	hsv(79, 66%, 90%)
CMYK	cmyk(21%, 0%, 65.9%, 10.2%)
CIE-LAB	lab(85.21, -36.82, 65.81)
CIE-LCH	lch(85.21, 75.41, 119.23°)
OKLab	oklab(85.99% -0.1057 0.1494)
OKLCH	oklch(85.99% 0.183 125.3)
XYZ	xyz(48.4508, 66.4119, 17.4724)
Luminance	0.6641 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5E54E #7E4EE5

analogous

#E5CA4E #B5E54E #69E54E

triadic

#B5E54E #4EB5E5 #E54EB5

tetradic

#B5E54E #4EE5CA #7E4EE5 #E54E69

square

#B5E54E #4EE5CA #7E4EE5 #E54E69

split-complementary

#B5E54E #4E69E5 #CA4EE5

monochromatic

#75A118 #9CD61F #B5E54E #CBED83 #E2F5B9

Accessibility & contrast

On white

1.47

#B5E54E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.28

#B5E54E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5E54E

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5E54E	#FFFFFF	#000000	##000000
##B5E54E	1.00	1.47	14.28	14.28
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.28	21.00	1.00	1.00
##000000	14.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D739

Deuteranopia (green-blind)

#EAD45A

Tritanopia (blue-blind)

#BDDAC6

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #b5e54e;
/* rgb */ color: rgb(181, 229, 78);
/* oklch */ color: oklch(86.0% 0.183 125.3);

Tailwind

colors: {
  custom: {
    50: '#cfed87',
    500: '#b5e54e',
    950: '#000000',
  },
}

SCSS

$custom: #b5e54e;
$custom-light: #cfed87;
$custom-dark: #000000;

JSON

{
  "hex": "#b5e54e",
  "rgb": {
    "r": 181,
    "g": 229,
    "b": 78
  },
  "hsl": {
    "h": 79.073,
    "s": 74.384,
    "l": 60.196
  },
  "oklch": {
    "l": 0.8599,
    "c": 0.183,
    "h": 125.3
  },
  "luminance": 0.66412
}

Semantic roles & 50–950 ramp

primary

#B5E54E

secondary

#5734A4

accent

#0FD74E

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160C

muted

#83847F

Preview Lab

Preview with #B5E54E

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

Preview Lab → · Contrast checker → · Palette generator →