#B9F577#B9F577

#B9F577 is a very light, vivid yellow-green. Relative luminance 0.770; OKLCH L 90.3% C 0.168 H 130.2°. Best body text is #000000 at 16.39:1 contrast (WCAG AA passes).

Color values

HEX	#B9F577
RGB	rgb(185, 245, 119)
HSL	hsl(89, 86%, 71%)
HSV	hsv(89, 51%, 96%)
CMYK	cmyk(24.5%, 0%, 51.4%, 3.9%)
CIE-LAB	lab(90.30, -39.04, 54.08)
CIE-LCH	lch(90.30, 66.70, 125.83°)
OKLab	oklab(90.29% -0.1087 0.1285)
OKLCH	oklch(90.29% 0.168 130.2)
XYZ	xyz(55.9892, 76.9497, 29.3521)
Luminance	0.7695 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

#C2FF89

ΔE00 2.49

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9F577 #B377F5

analogous

#F5F277 #B9F577 #7AF577

triadic

#B9F577 #77B9F5 #F577B9

tetradic

#B9F577 #77F5F2 #B377F5 #F5777A

square

#B9F577 #77F5F2 #B377F5 #F5777A

split-complementary

#B9F577 #777AF5 #F277F5

monochromatic

#7EE111 #9CF13E #B9F577 #D6F9B0 #F0FDE2

Accessibility & contrast

On white

1.28

#B9F577 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.39

#B9F577 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9F577

16.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9F577	#FFFFFF	#000000	##000000
##B9F577	1.00	1.28	16.39	16.39
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.39	21.00	1.00	1.00
##000000	16.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE66B

Deuteranopia (green-blind)

#F6E27F

Tritanopia (blue-blind)

#BDECD8

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #b9f577;
/* rgb */ color: rgb(185, 245, 119);
/* oklch */ color: oklch(90.3% 0.168 130.2);

Tailwind

colors: {
  custom: {
    50: '#d1f8a1',
    500: '#b9f577',
    950: '#000000',
  },
}

SCSS

$custom: #b9f577;
$custom-light: #d1f8a1;
$custom-dark: #000000;

JSON

{
  "hex": "#b9f577",
  "rgb": {
    "r": 185,
    "g": 245,
    "b": 119
  },
  "hsl": {
    "h": 88.571,
    "s": 86.301,
    "l": 71.373
  },
  "oklch": {
    "l": 0.90293,
    "c": 0.16834,
    "h": 130.2
  },
  "luminance": 0.76951
}

Semantic roles & 50–950 ramp

primary

#B9F577

secondary

#8540D0

accent

#03E36D

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170F

muted

#838580

Preview Lab

Preview with #B9F577

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

Preview Lab → · Contrast checker → · Palette generator →