#99C43B#99C43B

#99C43B is a light, vivid yellow-green. Relative luminance 0.466; OKLCH L 76.4% C 0.168 H 125.4°. Best body text is #000000 at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#99C43B
RGB	rgb(153, 196, 59)
HSL	hsl(79, 54%, 50%)
HSV	hsv(79, 70%, 77%)
CMYK	cmyk(21.9%, 0%, 69.9%, 23.1%)
CIE-LAB	lab(73.91, -33.78, 60.89)
CIE-LCH	lch(73.91, 69.63, 119.02°)
OKLab	oklab(76.36% -0.0974 0.1369)
OKLCH	oklch(76.36% 0.168 125.4)
XYZ	xyz(33.6664, 46.5675, 11.3516)
Luminance	0.4657 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99C43B #663BC4

analogous

#C4AA3B #99C43B #55C43B

triadic

#99C43B #3B99C4 #C43B99

tetradic

#99C43B #3BC4AA #663BC4 #C43B55

square

#99C43B #3BC4AA #663BC4 #C43B55

split-complementary

#99C43B #3B55C4 #AA3BC4

monochromatic

#50661F #74952D #99C43B #B1D26A #CAE099

Accessibility & contrast

On white

2.04

#99C43B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.31

#99C43B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C43B

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99C43B	#FFFFFF	#000000	##000000
##99C43B	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)

#CFB725

Deuteranopia (green-blind)

#C9B547

Tritanopia (blue-blind)

#A0BBA9

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #99c43b;
/* rgb */ color: rgb(153, 196, 59);
/* oklch */ color: oklch(76.4% 0.168 125.4);

Tailwind

colors: {
  custom: {
    50: '#bbd679',
    500: '#99c43b',
    950: '#000000',
  },
}

SCSS

$custom: #99c43b;
$custom-light: #bbd679;
$custom-dark: #000000;

JSON

{
  "hex": "#99c43b",
  "rgb": {
    "r": 153,
    "g": 196,
    "b": 59
  },
  "hsl": {
    "h": 78.832,
    "s": 53.725,
    "l": 50
  },
  "oklch": {
    "l": 0.76361,
    "c": 0.16799,
    "h": 125.4
  },
  "luminance": 0.46568
}

Semantic roles & 50–950 ramp

primary

#99C43B

secondary

#A28FCC

accent

#4BDD79

background

#FBFDF7

surface

#F7FAEE

border

#D0D3C9

text

#12140A

muted

#81837C

Preview Lab

Preview with #99C43B

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

Preview Lab → · Contrast checker → · Palette generator →