#99CF4F#99CF4F

#99CF4F is a light, vivid yellow-green. Relative luminance 0.520; OKLCH L 79.1% C 0.167 H 129.0°. Best body text is #000000 at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#99CF4F
RGB	rgb(153, 207, 79)
HSL	hsl(85, 57%, 56%)
HSV	hsv(85, 62%, 81%)
CMYK	cmyk(26.1%, 0%, 61.8%, 18.8%)
CIE-LAB	lab(77.26, -37.35, 56.40)
CIE-LCH	lch(77.26, 67.64, 123.51°)
OKLab	oklab(79.12% -0.1055 0.1301)
OKLCH	oklch(79.12% 0.167 129)
XYZ	xyz(36.8608, 51.9616, 15.4832)
Luminance	0.5196 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99CF4F #854FCF

analogous

#CFC54F #99CF4F #59CF4F

triadic

#99CF4F #4F99CF #CF4F99

tetradic

#99CF4F #4FCFC5 #854FCF #CF4F59

square

#99CF4F #4FCFC5 #854FCF #CF4F59

split-complementary

#99CF4F #4F59CF #C54FCF

monochromatic

#598123 #7AB130 #99CF4F #B5DC7F #D1E9AF

Accessibility & contrast

On white

1.84

#99CF4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.39

#99CF4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99CF4F

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99CF4F	#FFFFFF	#000000	##000000
##99CF4F	1.00	1.84	11.39	11.39
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.39	21.00	1.00	1.00
##000000	11.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C140

Deuteranopia (green-blind)

#D1BE59

Tritanopia (blue-blind)

#9DC6B4

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #99cf4f;
/* rgb */ color: rgb(153, 207, 79);
/* oklch */ color: oklch(79.1% 0.167 129.0);

Tailwind

colors: {
  custom: {
    50: '#bade85',
    500: '#99cf4f',
    950: '#000000',
  },
}

SCSS

$custom: #99cf4f;
$custom-light: #bade85;
$custom-dark: #000000;

JSON

{
  "hex": "#99cf4f",
  "rgb": {
    "r": 153,
    "g": 207,
    "b": 79
  },
  "hsl": {
    "h": 85.313,
    "s": 57.143,
    "l": 56.078
  },
  "oklch": {
    "l": 0.79121,
    "c": 0.16748,
    "h": 129
  },
  "luminance": 0.51962
}

Semantic roles & 50–950 ramp

primary

#99CF4F

secondary

#5B3A88

accent

#47E088

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#12150B

muted

#82847E

Preview Lab

Preview with #99CF4F

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

Preview Lab → · Contrast checker → · Palette generator →