#99C43F#99C43F

#99C43F is a light, vivid yellow-green. Relative luminance 0.466; OKLCH L 76.4% C 0.165 H 125.6°. Best body text is #000000 at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#99C43F
RGB	rgb(153, 196, 63)
HSL	hsl(79, 53%, 51%)
HSV	hsv(79, 68%, 77%)
CMYK	cmyk(21.9%, 0%, 67.9%, 23.1%)
CIE-LAB	lab(73.94, -33.52, 59.40)
CIE-LCH	lch(73.94, 68.20, 119.44°)
OKLab	oklab(76.39% -0.0963 0.1344)
OKLCH	oklch(76.39% 0.165 125.6)
XYZ	xyz(33.7742, 46.6106, 11.9190)
Luminance	0.4661 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99C43F #6A3FC4

analogous

#C4AC3F #99C43F #57C43F

triadic

#99C43F #3F99C4 #C43F99

tetradic

#99C43F #3FC4AC #6A3FC4 #C43F57

square

#99C43F #3FC4AC #6A3FC4 #C43F57

split-complementary

#99C43F #3F57C4 #AC3FC4

monochromatic

#516820 #75972E #99C43F #B2D26E #CBE19D

Accessibility & contrast

On white

2.03

#99C43F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.32

#99C43F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C43F

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99C43F	#FFFFFF	#000000	##000000
##99C43F	1.00	2.03	10.32	10.32
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.32	21.00	1.00	1.00
##000000	10.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB72B

Deuteranopia (green-blind)

#C8B54A

Tritanopia (blue-blind)

#9FBBA9

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #99c43f;
/* rgb */ color: rgb(153, 196, 63);
/* oklch */ color: oklch(76.4% 0.165 125.6);

Tailwind

colors: {
  custom: {
    50: '#bad67b',
    500: '#99c43f',
    950: '#000000',
  },
}

SCSS

$custom: #99c43f;
$custom-light: #bad67b;
$custom-dark: #000000;

JSON

{
  "hex": "#99c43f",
  "rgb": {
    "r": 153,
    "g": 196,
    "b": 63
  },
  "hsl": {
    "h": 79.398,
    "s": 52.988,
    "l": 50.784
  },
  "oklch": {
    "l": 0.76392,
    "c": 0.1653,
    "h": 125.6
  },
  "luminance": 0.46611
}

Semantic roles & 50–950 ramp

primary

#99C43F

secondary

#A592CD

accent

#4BDC7A

background

#FBFDF7

surface

#F7FAEE

border

#D0D3C9

text

#12140A

muted

#81837C

Preview Lab

Preview with #99C43F

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

Preview Lab → · Contrast checker → · Palette generator →