#99DA3F#99DA3F

#99DA3F is a light, vivid yellow-green. Relative luminance 0.573; OKLCH L 81.6% C 0.193 H 129.8°. Best body text is #000000 at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#99DA3F
RGB	rgb(153, 218, 63)
HSL	hsl(85, 68%, 55%)
HSV	hsv(85, 71%, 85%)
CMYK	cmyk(29.8%, 0%, 71.1%, 14.5%)
CIE-LAB	lab(80.33, -43.35, 65.88)
CIE-LCH	lch(80.33, 78.86, 123.34°)
OKLab	oklab(81.58% -0.1232 0.148)
OKLCH	oklch(81.58% 0.193 129.8)
XYZ	xyz(39.1053, 57.2728, 13.6961)
Luminance	0.5727 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99DA3F #803FDA

analogous

#DACD3F #99DA3F #4CDA3F

triadic

#99DA3F #3F99DA #DA3F99

tetradic

#99DA3F #3FDACD #803FDA #DA3F4C

square

#99DA3F #3FDACD #803FDA #DA3F4C

split-complementary

#99DA3F #3F4CDA #CD3FDA

monochromatic

#58851A #7AB824 #99DA3F #B4E472 #D0EEA6

Accessibility & contrast

On white

1.69

#99DA3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.45

#99DA3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99DA3F

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99DA3F	#FFFFFF	#000000	##000000
##99DA3F	1.00	1.69	12.45	12.45
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.45	21.00	1.00	1.00
##000000	12.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CA24

Deuteranopia (green-blind)

#DBC64D

Tritanopia (blue-blind)

#9DD1BC

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #99da3f;
/* rgb */ color: rgb(153, 218, 63);
/* oklch */ color: oklch(81.6% 0.193 129.8);

Tailwind

colors: {
  custom: {
    50: '#bce67d',
    500: '#99da3f',
    950: '#000000',
  },
}

SCSS

$custom: #99da3f;
$custom-light: #bce67d;
$custom-dark: #000000;

JSON

{
  "hex": "#99da3f",
  "rgb": {
    "r": 153,
    "g": 218,
    "b": 63
  },
  "hsl": {
    "h": 85.161,
    "s": 67.686,
    "l": 55.098
  },
  "oklch": {
    "l": 0.8158,
    "c": 0.19253,
    "h": 129.8
  },
  "luminance": 0.57274
}

Semantic roles & 50–950 ramp

primary

#99DA3F

secondary

#57328B

accent

#3DEB86

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12160A

muted

#82847D

Preview Lab

Preview with #99DA3F

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

Preview Lab → · Contrast checker → · Palette generator →