#99F559#99F559

#99F559 is a very light, highly saturated yellow-green. Relative luminance 0.728; OKLCH L 88.2% C 0.209 H 134.8°. Best body text is #000000 at 15.56:1 contrast (WCAG AA passes).

Color values

HEX	#99F559
RGB	rgb(153, 245, 89)
HSL	hsl(95, 89%, 65%)
HSV	hsv(95, 64%, 96%)
CMYK	cmyk(37.6%, 0%, 63.7%, 3.9%)
CIE-LAB	lab(88.35, -52.75, 64.37)
CIE-LCH	lch(88.35, 83.22, 129.33°)
OKLab	oklab(88.18% -0.1469 0.1481)
OKLCH	oklch(88.18% 0.209 134.8)
XYZ	xyz(47.5914, 72.7961, 20.9927)
Luminance	0.7280 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 1.14

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99F559 #B559F5

analogous

#E7F559 #99F559 #59F567

triadic

#99F559 #5999F5 #F55999

tetradic

#99F559 #59E7F5 #B559F5 #F56759

square

#99F559 #59E7F5 #B559F5 #F56759

split-complementary

#99F559 #6759F5 #F559E7

monochromatic

#59C80C #76F21F #99F559 #BCF893 #E0FCCC

Accessibility & contrast

On white

1.35

#99F559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.56

#99F559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99F559

15.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99F559	#FFFFFF	#000000	##000000
##99F559	1.00	1.35	15.56	15.56
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.56	21.00	1.00	1.00
##000000	15.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE345

Deuteranopia (green-blind)

#F1DB66

Tritanopia (blue-blind)

#98ECD5

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #99f559;
/* rgb */ color: rgb(153, 245, 89);
/* oklch */ color: oklch(88.2% 0.209 134.8);

Tailwind

colors: {
  custom: {
    50: '#bdf98e',
    500: '#99f559',
    950: '#000000',
  },
}

SCSS

$custom: #99f559;
$custom-light: #bdf98e;
$custom-dark: #000000;

JSON

{
  "hex": "#99f559",
  "rgb": {
    "r": 153,
    "g": 245,
    "b": 89
  },
  "hsl": {
    "h": 95.385,
    "s": 88.636,
    "l": 65.49
  },
  "oklch": {
    "l": 0.88176,
    "c": 0.20861,
    "h": 134.8
  },
  "luminance": 0.72798
}

Semantic roles & 50–950 ramp

primary

#99F559

secondary

#872EC4

accent

#00E587

background

#FDFFFC

surface

#F9FFF4

border

#D2D7CE

text

#13170D

muted

#82857F

Preview Lab

Preview with #99F559

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

Preview Lab → · Contrast checker → · Palette generator →