#99FC63#99FC63

#99FC63 is a very light, highly saturated yellow-green. Relative luminance 0.773; OKLCH L 89.9% C 0.210 H 136.2°. Best body text is #000000 at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#99FC63
RGB	rgb(153, 252, 99)
HSL	hsl(99, 96%, 69%)
HSV	hsv(99, 61%, 99%)
CMYK	cmyk(39.3%, 0%, 60.7%, 1.2%)
CIE-LAB	lab(90.46, -54.70, 62.60)
CIE-LCH	lch(90.46, 83.13, 131.15°)
OKLab	oklab(89.92% -0.1515 0.1455)
OKLCH	oklch(89.92% 0.21 136.2)
XYZ	xyz(50.1981, 77.2913, 24.0757)
Luminance	0.7729 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 1.11

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99FC63 #C663FC

analogous

#E5FC63 #99FC63 #63FC7A

triadic

#99FC63 #6399FC #FC6399

tetradic

#99FC63 #63E5FC #C663FC #FC7A63

square

#99FC63 #63E5FC #C663FC #FC7A63

split-complementary

#99FC63 #7A63FC #FC63E5

monochromatic

#52E004 #72FB27 #99FC63 #C0FD9F #E8FEDB

Accessibility & contrast

On white

1.28

#99FC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.46

#99FC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99FC63

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99FC63	#FFFFFF	#000000	##000000
##99FC63	1.00	1.28	16.46	16.46
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.46	21.00	1.00	1.00
##000000	16.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE951

Deuteranopia (green-blind)

#F7E16F

Tritanopia (blue-blind)

#96F3DC

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #99fc63;
/* rgb */ color: rgb(153, 252, 99);
/* oklch */ color: oklch(89.9% 0.210 136.2);

Tailwind

colors: {
  custom: {
    50: '#bdfe95',
    500: '#99fc63',
    950: '#000000',
  },
}

SCSS

$custom: #99fc63;
$custom-light: #bdfe95;
$custom-dark: #000000;

JSON

{
  "hex": "#99fc63",
  "rgb": {
    "r": 153,
    "g": 252,
    "b": 99
  },
  "hsl": {
    "h": 98.824,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.89923,
    "c": 0.21003,
    "h": 136.2
  },
  "luminance": 0.77294
}

Semantic roles & 50–950 ramp

primary

#99FC63

secondary

#9A2DD6

accent

#00E695

background

#FDFFFC

surface

#F9FFF5

border

#D2D7CF

text

#13180E

muted

#82867F

Preview Lab

Preview with #99FC63

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

Preview Lab → · Contrast checker → · Palette generator →