#B5E581#B5E581

#B5E581 is a very light, vivid yellow-green. Relative luminance 0.674; OKLCH L 86.6% C 0.138 H 129.8°. Best body text is #000000 at 14.49:1 contrast (WCAG AA passes).

Color values

HEX	#B5E581
RGB	rgb(181, 229, 129)
HSL	hsl(89, 66%, 70%)
HSV	hsv(89, 44%, 90%)
CMYK	cmyk(21%, 0%, 43.7%, 10.2%)
CIE-LAB	lab(85.73, -32.09, 43.69)
CIE-LCH	lch(85.73, 54.21, 126.30°)
OKLab	oklab(86.58% -0.0885 0.1061)
OKLCH	oklch(86.58% 0.138 129.8)
XYZ	xyz(51.0372, 67.4464, 31.0942)
Luminance	0.6745 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5E581 #B181E5

analogous

#E5E381 #B5E581 #83E581

triadic

#B5E581 #81B5E5 #E581B5

tetradic

#B5E581 #81E5E3 #B181E5 #E58183

square

#B5E581 #81E5E3 #B181E5 #E58183

split-complementary

#B5E581 #8183E5 #E381E5

monochromatic

#79C328 #97DB4E #B5E581 #D3EFB4 #F0FAE6

Accessibility & contrast

On white

1.45

#B5E581 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.49

#B5E581 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5E581

14.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5E581	#FFFFFF	#000000	##000000
##B5E581	1.00	1.45	14.49	14.49
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.49	21.00	1.00	1.00
##000000	14.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDD979

Deuteranopia (green-blind)

#E6D587

Tritanopia (blue-blind)

#B8DDCD

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #b5e581;
/* rgb */ color: rgb(181, 229, 129);
/* oklch */ color: oklch(86.6% 0.138 129.8);

Tailwind

colors: {
  custom: {
    50: '#cdeda7',
    500: '#b5e581',
    950: '#000000',
  },
}

SCSS

$custom: #b5e581;
$custom-light: #cdeda7;
$custom-dark: #000000;

JSON

{
  "hex": "#b5e581",
  "rgb": {
    "r": 181,
    "g": 229,
    "b": 129
  },
  "hsl": {
    "h": 88.8,
    "s": 65.789,
    "l": 70.196
  },
  "oklch": {
    "l": 0.86582,
    "c": 0.13819,
    "h": 129.8
  },
  "luminance": 0.67447
}

Semantic roles & 50–950 ramp

primary

#B5E581

secondary

#834DBD

accent

#18CE6F

background

#FEFFFC

surface

#FBFEF6

border

#D4D6D0

text

#14160F

muted

#838580

Preview Lab

Preview with #B5E581

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

Preview Lab → · Contrast checker → · Palette generator →