#B4F561#B4F561

#B4F561 is a very light, vivid yellow-green. Relative luminance 0.759; OKLCH L 89.7% C 0.189 H 129.6°. Best body text is #000000 at 16.17:1 contrast (WCAG AA passes).

Color values

HEX	#B4F561
RGB	rgb(180, 245, 97)
HSL	hsl(86, 88%, 67%)
HSV	hsv(86, 60%, 96%)
CMYK	cmyk(26.5%, 0%, 60.4%, 3.9%)
CIE-LAB	lab(89.80, -42.86, 63.08)
CIE-LCH	lch(89.80, 76.26, 124.19°)
OKLab	oklab(89.74% -0.1207 0.146)
OKLCH	oklch(89.74% 0.189 129.6)
XYZ	xyz(53.6321, 75.8698, 23.1256)
Luminance	0.7587 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.05

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4F561 #A261F5

analogous

#F5EC61 #B4F561 #6AF561

triadic

#B4F561 #61B4F5 #F561B4

tetradic

#B4F561 #61F5EC #A261F5 #F5616A

square

#B4F561 #61F5EC #A261F5 #F5616A

split-complementary

#B4F561 #616AF5 #EC61F5

monochromatic

#7ACF0D #99F127 #B4F561 #CFF99B #EBFCD4

Accessibility & contrast

On white

1.30

#B4F561 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.17

#B4F561 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4F561

16.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4F561	#FFFFFF	#000000	##000000
##B4F561	1.00	1.30	16.17	16.17
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.17	21.00	1.00	1.00
##000000	16.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE550

Deuteranopia (green-blind)

#F7E06C

Tritanopia (blue-blind)

#B8EBD6

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #b4f561;
/* rgb */ color: rgb(180, 245, 97);
/* oklch */ color: oklch(89.7% 0.189 129.6);

Tailwind

colors: {
  custom: {
    50: '#cef893',
    500: '#b4f561',
    950: '#000000',
  },
}

SCSS

$custom: #b4f561;
$custom-light: #cef893;
$custom-dark: #000000;

JSON

{
  "hex": "#b4f561",
  "rgb": {
    "r": 180,
    "g": 245,
    "b": 97
  },
  "hsl": {
    "h": 86.351,
    "s": 88.095,
    "l": 67.059
  },
  "oklch": {
    "l": 0.89744,
    "c": 0.18941,
    "h": 129.6
  },
  "luminance": 0.75871
}

Semantic roles & 50–950 ramp

primary

#B4F561

secondary

#7430CA

accent

#01E565

background

#FEFFFC

surface

#FBFFF4

border

#D4D7CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B4F561

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

Preview Lab → · Contrast checker → · Palette generator →