#99C339#99C339

#99C339 is a light, vivid yellow-green. Relative luminance 0.461; OKLCH L 76.1% C 0.168 H 125.1°. Best body text is #000000 at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#99C339
RGB	rgb(153, 195, 57)
HSL	hsl(78, 55%, 49%)
HSV	hsv(78, 71%, 76%)
CMYK	cmyk(21.5%, 0%, 70.8%, 23.5%)
CIE-LAB	lab(73.61, -33.44, 61.33)
CIE-LCH	lch(73.61, 69.85, 118.60°)
OKLab	oklab(76.11% -0.0966 0.1375)
OKLCH	oklch(76.11% 0.168 125.1)
XYZ	xyz(33.3907, 46.0975, 11.0087)
Luminance	0.4610 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99C339 #6339C3

analogous

#C3A839 #99C339 #54C339

triadic

#99C339 #3999C3 #C33999

tetradic

#99C339 #39C3A8 #6339C3 #C33954

square

#99C339 #39C3A8 #6339C3 #C33954

split-complementary

#99C339 #3954C3 #A839C3

monochromatic

#4F641D #74942B #99C339 #B2D267 #CAE096

Accessibility & contrast

On white

2.05

#99C339 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.22

#99C339 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C339

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99C339	#FFFFFF	#000000	##000000
##99C339	1.00	2.05	10.22	10.22
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.22	21.00	1.00	1.00
##000000	10.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB621

Deuteranopia (green-blind)

#C8B445

Tritanopia (blue-blind)

#A0BAA8

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #99c339;
/* rgb */ color: rgb(153, 195, 57);
/* oklch */ color: oklch(76.1% 0.168 125.1);

Tailwind

colors: {
  custom: {
    50: '#bbd578',
    500: '#99c339',
    950: '#000000',
  },
}

SCSS

$custom: #99c339;
$custom-light: #bbd578;
$custom-dark: #000000;

JSON

{
  "hex": "#99c339",
  "rgb": {
    "r": 153,
    "g": 195,
    "b": 57
  },
  "hsl": {
    "h": 78.261,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.76111,
    "c": 0.16805,
    "h": 125.1
  },
  "luminance": 0.46098
}

Semantic roles & 50–950 ramp

primary

#99C339

secondary

#9F8CCC

accent

#4ADE77

background

#FBFDF7

surface

#F7FAEE

border

#D0D3C9

text

#121409

muted

#81837B

Preview Lab

Preview with #99C339

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

Preview Lab → · Contrast checker → · Palette generator →