#B9F579#B9F579

#B9F579 is a very light, vivid yellow-green. Relative luminance 0.770; OKLCH L 90.3% C 0.167 H 130.4°. Best body text is #000000 at 16.40:1 contrast (WCAG AA passes).

Color values

HEX	#B9F579
RGB	rgb(185, 245, 121)
HSL	hsl(89, 86%, 72%)
HSV	hsv(89, 51%, 96%)
CMYK	cmyk(24.5%, 0%, 50.6%, 3.9%)
CIE-LAB	lab(90.32, -38.84, 53.18)
CIE-LCH	lch(90.32, 65.85, 126.14°)
OKLab	oklab(90.32% -0.108 0.1267)
OKLCH	oklch(90.32% 0.167 130.4)
XYZ	xyz(56.1105, 76.9983, 29.9914)
Luminance	0.7700 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

#C2FF89

ΔE00 2.35

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9F579 #B579F5

analogous

#F5F379 #B9F579 #7BF579

triadic

#B9F579 #79B9F5 #F579B9

tetradic

#B9F579 #79F5F3 #B579F5 #F5797B

square

#B9F579 #79F5F3 #B579F5 #F5797B

split-complementary

#B9F579 #797BF5 #F379F5

monochromatic

#7DE311 #9BF140 #B9F579 #D7F9B2 #F0FDE3

Accessibility & contrast

On white

1.28

#B9F579 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.40

#B9F579 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9F579

16.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9F579	#FFFFFF	#000000	##000000
##B9F579	1.00	1.28	16.40	16.40
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.40	21.00	1.00	1.00
##000000	16.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE66E

Deuteranopia (green-blind)

#F6E281

Tritanopia (blue-blind)

#BCECD9

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #b9f579;
/* rgb */ color: rgb(185, 245, 121);
/* oklch */ color: oklch(90.3% 0.167 130.4);

Tailwind

colors: {
  custom: {
    50: '#d0f8a2',
    500: '#b9f579',
    950: '#000000',
  },
}

SCSS

$custom: #b9f579;
$custom-light: #d0f8a2;
$custom-dark: #000000;

JSON

{
  "hex": "#b9f579",
  "rgb": {
    "r": 185,
    "g": 245,
    "b": 121
  },
  "hsl": {
    "h": 89.032,
    "s": 86.111,
    "l": 71.765
  },
  "oklch": {
    "l": 0.90318,
    "c": 0.1665,
    "h": 130.4
  },
  "luminance": 0.77
}

Semantic roles & 50–950 ramp

primary

#B9F579

secondary

#8742D0

accent

#03E36F

background

#FEFFFC

surface

#FBFFF6

border

#D4D7D0

text

#14170F

muted

#838580

Preview Lab

Preview with #B9F579

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

Preview Lab → · Contrast checker → · Palette generator →