#B5F966#B5F966

#B5F966 is a very light, vivid yellow-green. Relative luminance 0.785; OKLCH L 90.8% C 0.190 H 130.3°. Best body text is #000000 at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#B5F966
RGB	rgb(181, 249, 102)
HSL	hsl(88, 92%, 69%)
HSV	hsv(88, 59%, 98%)
CMYK	cmyk(27.3%, 0%, 59%, 2.4%)
CIE-LAB	lab(91.02, -43.82, 62.36)
CIE-LCH	lch(91.02, 76.22, 125.09°)
OKLab	oklab(90.77% -0.123 0.1449)
OKLCH	oklch(90.77% 0.19 130.3)
XYZ	xyz(55.3295, 78.5329, 24.8110)
Luminance	0.7853 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 2.54

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5F966 #AA66F9

analogous

#F9F466 #B5F966 #6CF966

triadic

#B5F966 #66B5F9 #F966B5

tetradic

#B5F966 #66F9F4 #AA66F9 #F9666C

square

#B5F966 #66F9F4 #AA66F9 #F9666C

split-complementary

#B5F966 #666CF9 #F466F9

monochromatic

#7ADC09 #99F72B #B5F966 #D1FBA1 #EEFEDC

Accessibility & contrast

On white

1.26

#B5F966 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.71

#B5F966 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5F966

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5F966	#FFFFFF	#000000	##000000
##B5F966	1.00	1.26	16.71	16.71
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.71	21.00	1.00	1.00
##000000	16.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE956

Deuteranopia (green-blind)

#FAE471

Tritanopia (blue-blind)

#B9EFDA

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #b5f966;
/* rgb */ color: rgb(181, 249, 102);
/* oklch */ color: oklch(90.8% 0.190 130.3);

Tailwind

colors: {
  custom: {
    50: '#cffb97',
    500: '#b5f966',
    950: '#000000',
  },
}

SCSS

$custom: #b5f966;
$custom-light: #cffb97;
$custom-dark: #000000;

JSON

{
  "hex": "#b5f966",
  "rgb": {
    "r": 181,
    "g": 249,
    "b": 102
  },
  "hsl": {
    "h": 87.755,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.90765,
    "c": 0.19011,
    "h": 130.3
  },
  "luminance": 0.78534
}

Semantic roles & 50–950 ramp

primary

#B5F966

secondary

#7C30D3

accent

#00E66A

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B5F966

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

Preview Lab → · Contrast checker → · Palette generator →