#B5EF61#B5EF61

#B5EF61 is a very light, vivid yellow-green. Relative luminance 0.724; OKLCH L 88.4% C 0.181 H 128.4°. Best body text is #000000 at 15.48:1 contrast (WCAG AA passes).

Color values

HEX	#B5EF61
RGB	rgb(181, 239, 97)
HSL	hsl(85, 82%, 66%)
HSV	hsv(85, 59%, 94%)
CMYK	cmyk(24.3%, 0%, 59.4%, 6.3%)
CIE-LAB	lab(88.17, -39.86, 61.29)
CIE-LCH	lch(88.17, 73.11, 123.04°)
OKLab	oklab(88.44% -0.1125 0.1421)
OKLCH	oklch(88.44% 0.181 128.4)
XYZ	xyz(52.0800, 72.4188, 22.5413)
Luminance	0.7242 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5EF61 #9B61EF

analogous

#EFE261 #B5EF61 #6EEF61

triadic

#B5EF61 #61B5EF #EF61B5

tetradic

#B5EF61 #61EFE2 #9B61EF #EF616E

square

#B5EF61 #61EFE2 #9B61EF #EF616E

split-complementary

#B5EF61 #616EEF #E261EF

monochromatic

#7BC214 #9BE929 #B5EF61 #CFF599 #E9FAD0

Accessibility & contrast

On white

1.36

#B5EF61 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.48

#B5EF61 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5EF61

15.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5EF61	#FFFFFF	#000000	##000000
##B5EF61	1.00	1.36	15.48	15.48
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.48	21.00	1.00	1.00
##000000	15.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE051

Deuteranopia (green-blind)

#F2DC6B

Tritanopia (blue-blind)

#BAE5D1

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #b5ef61;
/* rgb */ color: rgb(181, 239, 97);
/* oklch */ color: oklch(88.4% 0.181 128.4);

Tailwind

colors: {
  custom: {
    50: '#cef493',
    500: '#b5ef61',
    950: '#000000',
  },
}

SCSS

$custom: #b5ef61;
$custom-light: #cef493;
$custom-dark: #000000;

JSON

{
  "hex": "#b5ef61",
  "rgb": {
    "r": 181,
    "g": 239,
    "b": 97
  },
  "hsl": {
    "h": 84.507,
    "s": 81.609,
    "l": 65.882
  },
  "oklch": {
    "l": 0.88439,
    "c": 0.18126,
    "h": 128.4
  },
  "luminance": 0.7242
}

Semantic roles & 50–950 ramp

primary

#B5EF61

secondary

#6D34C0

accent

#08DE5F

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B5EF61

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

Preview Lab → · Contrast checker → · Palette generator →