#99CE3F#99CE3F

#99CE3F is a light, vivid yellow-green. Relative luminance 0.513; OKLCH L 78.7% C 0.178 H 127.7°. Best body text is #000000 at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#99CE3F
RGB	rgb(153, 206, 63)
HSL	hsl(82, 59%, 53%)
HSV	hsv(82, 69%, 81%)
CMYK	cmyk(25.7%, 0%, 69.4%, 19.2%)
CIE-LAB	lab(76.84, -38.07, 62.37)
CIE-LCH	lch(76.84, 73.07, 121.40°)
OKLab	oklab(78.75% -0.1088 0.1406)
OKLCH	oklch(78.75% 0.178 127.7)
XYZ	xyz(36.1054, 51.2730, 12.6961)
Luminance	0.5127 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99CE3F #743FCE

analogous

#CEBC3F #99CE3F #51CE3F

triadic

#99CE3F #3F99CE #CE3F99

tetradic

#99CE3F #3FCEBC #743FCE #CE3F51

square

#99CE3F #3FCEBC #743FCE #CE3F51

split-complementary

#99CE3F #3F51CE #BC3FCE

monochromatic

#55751E #78A62A #99CE3F #B3DA70 #CDE7A1

Accessibility & contrast

On white

1.87

#99CE3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.25

#99CE3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99CE3F

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99CE3F	#FFFFFF	#000000	##000000
##99CE3F	1.00	1.87	11.25	11.25
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.25	21.00	1.00	1.00
##000000	11.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C028

Deuteranopia (green-blind)

#D1BD4B

Tritanopia (blue-blind)

#9EC5B2

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #99ce3f;
/* rgb */ color: rgb(153, 206, 63);
/* oklch */ color: oklch(78.7% 0.178 127.7);

Tailwind

colors: {
  custom: {
    50: '#bbdd7c',
    500: '#99ce3f',
    950: '#000000',
  },
}

SCSS

$custom: #99ce3f;
$custom-light: #bbdd7c;
$custom-dark: #000000;

JSON

{
  "hex": "#99ce3f",
  "rgb": {
    "r": 153,
    "g": 206,
    "b": 63
  },
  "hsl": {
    "h": 82.238,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.78746,
    "c": 0.17777,
    "h": 127.7
  },
  "luminance": 0.51274
}

Semantic roles & 50–950 ramp

primary

#99CE3F

secondary

#4F347D

accent

#45E380

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150A

muted

#82847D

Preview Lab

Preview with #99CE3F

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

Preview Lab → · Contrast checker → · Palette generator →