#99DA39#99DA39

#99DA39 is a light, vivid yellow-green. Relative luminance 0.572; OKLCH L 81.5% C 0.196 H 129.5°. Best body text is #000000 at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#99DA39
RGB	rgb(153, 218, 57)
HSL	hsl(84, 69%, 54%)
HSV	hsv(84, 74%, 85%)
CMYK	cmyk(29.8%, 0%, 73.9%, 14.5%)
CIE-LAB	lab(80.30, -43.70, 67.90)
CIE-LCH	lch(80.30, 80.75, 122.76°)
OKLab	oklab(81.54% -0.1246 0.1513)
OKLCH	oklch(81.54% 0.196 129.5)
XYZ	xyz(38.9467, 57.2094, 12.8606)
Luminance	0.5721 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99DA39 #7A39DA

analogous

#DACB39 #99DA39 #49DA39

triadic

#99DA39 #3999DA #DA3999

tetradic

#99DA39 #39DACB #7A39DA #DA3949

square

#99DA39 #39DACB #7A39DA #DA3949

split-complementary

#99DA39 #3949DA #CB39DA

monochromatic

#568118 #79B422 #99DA39 #B4E46D #CEEDA0

Accessibility & contrast

On white

1.69

#99DA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.44

#99DA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99DA39

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99DA39	#FFFFFF	#000000	##000000
##99DA39	1.00	1.69	12.44	12.44
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.44	21.00	1.00	1.00
##000000	12.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CA16

Deuteranopia (green-blind)

#DBC649

Tritanopia (blue-blind)

#9DD0BB

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #99da39;
/* rgb */ color: rgb(153, 218, 57);
/* oklch */ color: oklch(81.5% 0.196 129.5);

Tailwind

colors: {
  custom: {
    50: '#bce67a',
    500: '#99da39',
    950: '#000000',
  },
}

SCSS

$custom: #99da39;
$custom-light: #bce67a;
$custom-dark: #000000;

JSON

{
  "hex": "#99da39",
  "rgb": {
    "r": 153,
    "g": 218,
    "b": 57
  },
  "hsl": {
    "h": 84.224,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.8154,
    "c": 0.196,
    "h": 129.5
  },
  "luminance": 0.57211
}

Semantic roles & 50–950 ramp

primary

#99DA39

secondary

#533088

accent

#3CEB83

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12160A

muted

#82847D

Preview Lab

Preview with #99DA39

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

Preview Lab → · Contrast checker → · Palette generator →