#99C739#99C739

#99C739 is a light, vivid yellow-green. Relative luminance 0.479; OKLCH L 77.1% C 0.173 H 126.0°. Best body text is #000000 at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#99C739
RGB	rgb(153, 199, 57)
HSL	hsl(79, 56%, 50%)
HSV	hsv(79, 71%, 78%)
CMYK	cmyk(23.1%, 0%, 71.4%, 22%)
CIE-LAB	lab(74.77, -35.28, 62.48)
CIE-LCH	lch(74.77, 71.75, 119.45°)
OKLab	oklab(77.05% -0.1016 0.1399)
OKLCH	oklch(77.05% 0.173 126)
XYZ	xyz(34.2990, 47.9140, 11.3114)
Luminance	0.4792 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99C739 #6739C7

analogous

#C7AE39 #99C739 #52C739

triadic

#99C739 #3999C7 #C73999

tetradic

#99C739 #39C7AE #6739C7 #C73952

square

#99C739 #39C7AE #6739C7 #C73952

split-complementary

#99C739 #3952C7 #AE39C7

monochromatic

#50681D #75982B #99C739 #B2D469 #CAE298

Accessibility & contrast

On white

1.98

#99C739 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.58

#99C739 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C739

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99C739	#FFFFFF	#000000	##000000
##99C739	1.00	1.98	10.58	10.58
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.58	21.00	1.00	1.00
##000000	10.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BA20

Deuteranopia (green-blind)

#CBB746

Tritanopia (blue-blind)

#9FBEAB

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #99c739;
/* rgb */ color: rgb(153, 199, 57);
/* oklch */ color: oklch(77.1% 0.173 126.0);

Tailwind

colors: {
  custom: {
    50: '#bbd878',
    500: '#99c739',
    950: '#000000',
  },
}

SCSS

$custom: #99c739;
$custom-light: #bbd878;
$custom-dark: #000000;

JSON

{
  "hex": "#99c739",
  "rgb": {
    "r": 153,
    "g": 199,
    "b": 57
  },
  "hsl": {
    "h": 79.437,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.77052,
    "c": 0.17296,
    "h": 126
  },
  "luminance": 0.47915
}

Semantic roles & 50–950 ramp

primary

#99C739

secondary

#A38ECE

accent

#49DF79

background

#FBFDF7

surface

#F7FAEE

border

#D0D3C9

text

#12140A

muted

#81837C

Preview Lab

Preview with #99C739

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

Preview Lab → · Contrast checker → · Palette generator →