#B5F561#B5F561

#B5F561 is a very light, vivid yellow-green. Relative luminance 0.760; OKLCH L 89.8% C 0.189 H 129.3°. Best body text is #000000 at 16.20:1 contrast (WCAG AA passes).

Color values

HEX	#B5F561
RGB	rgb(181, 245, 97)
HSL	hsl(86, 88%, 67%)
HSV	hsv(86, 60%, 96%)
CMYK	cmyk(26.1%, 0%, 60.4%, 3.9%)
CIE-LAB	lab(89.85, -42.50, 63.16)
CIE-LCH	lch(89.85, 76.13, 123.93°)
OKLab	oklab(89.8% -0.1198 0.1461)
OKLCH	oklch(89.8% 0.189 129.3)
XYZ	xyz(53.8658, 75.9903, 23.1366)
Luminance	0.7599 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.18

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5F561 #A161F5

analogous

#F5EB61 #B5F561 #6BF561

triadic

#B5F561 #61B5F5 #F561B5

tetradic

#B5F561 #61F5EB #A161F5 #F5616B

square

#B5F561 #61F5EB #A161F5 #F5616B

split-complementary

#B5F561 #616BF5 #EB61F5

monochromatic

#7BCF0D #9AF127 #B5F561 #D0F99B #EBFCD4

Accessibility & contrast

On white

1.30

#B5F561 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.20

#B5F561 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5F561

16.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5F561	#FFFFFF	#000000	##000000
##B5F561	1.00	1.30	16.20	16.20
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.20	21.00	1.00	1.00
##000000	16.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE550

Deuteranopia (green-blind)

#F7E06C

Tritanopia (blue-blind)

#BAEBD6

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #b5f561;
/* rgb */ color: rgb(181, 245, 97);
/* oklch */ color: oklch(89.8% 0.189 129.3);

Tailwind

colors: {
  custom: {
    50: '#cff893',
    500: '#b5f561',
    950: '#000000',
  },
}

SCSS

$custom: #b5f561;
$custom-light: #cff893;
$custom-dark: #000000;

JSON

{
  "hex": "#b5f561",
  "rgb": {
    "r": 181,
    "g": 245,
    "b": 97
  },
  "hsl": {
    "h": 85.946,
    "s": 88.095,
    "l": 67.059
  },
  "oklch": {
    "l": 0.89804,
    "c": 0.18894,
    "h": 129.3
  },
  "luminance": 0.75992
}

Semantic roles & 50–950 ramp

primary

#B5F561

secondary

#7330CA

accent

#01E563

background

#FEFFFC

surface

#FBFFF4

border

#D4D7CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B5F561

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

Preview Lab → · Contrast checker → · Palette generator →