#99C437#99C437

#99C437 is a light, vivid yellow-green. Relative luminance 0.465; OKLCH L 76.3% C 0.171 H 125.2°. Best body text is #000000 at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#99C437
RGB	rgb(153, 196, 55)
HSL	hsl(78, 56%, 49%)
HSV	hsv(78, 72%, 77%)
CMYK	cmyk(21.9%, 0%, 71.9%, 23.1%)
CIE-LAB	lab(73.89, -34.02, 62.32)
CIE-LCH	lch(73.89, 71.00, 118.63°)
OKLab	oklab(76.33% -0.0984 0.1393)
OKLCH	oklch(76.33% 0.171 125.2)
XYZ	xyz(33.5666, 46.5276, 10.8260)
Luminance	0.4653 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99C437 #6237C4

analogous

#C4A937 #99C437 #53C437

triadic

#99C437 #3799C4 #C43799

tetradic

#99C437 #37C4A9 #6237C4 #C43753

square

#99C437 #37C4A9 #6237C4 #C43753

split-complementary

#99C437 #3753C4 #A937C4

monochromatic

#4E641C #74942A #99C437 #B2D465 #CAE194

Accessibility & contrast

On white

2.04

#99C437 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.31

#99C437 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C437

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99C437	#FFFFFF	#000000	##000000
##99C437	1.00	2.04	10.31	10.31
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.31	21.00	1.00	1.00
##000000	10.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB71D

Deuteranopia (green-blind)

#C9B543

Tritanopia (blue-blind)

#A0BBA9

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #99c437;
/* rgb */ color: rgb(153, 196, 55);
/* oklch */ color: oklch(76.3% 0.171 125.2);

Tailwind

colors: {
  custom: {
    50: '#bbd677',
    500: '#99c437',
    950: '#000000',
  },
}

SCSS

$custom: #99c437;
$custom-light: #bbd677;
$custom-dark: #000000;

JSON

{
  "hex": "#99c437",
  "rgb": {
    "r": 153,
    "g": 196,
    "b": 55
  },
  "hsl": {
    "h": 78.298,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.76332,
    "c": 0.17053,
    "h": 125.2
  },
  "luminance": 0.46528
}

Semantic roles & 50–950 ramp

primary

#99C437

secondary

#9F8BCC

accent

#48DF76

background

#FBFDF7

surface

#F7FAEE

border

#D0D3C9

text

#121409

muted

#81837B

Preview Lab

Preview with #99C437

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

Preview Lab → · Contrast checker → · Palette generator →