#99FA66#99FA66

#99FA66 is a very light, highly saturated yellow-green. Relative luminance 0.761; OKLCH L 89.5% C 0.205 H 136.3°. Best body text is #000000 at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#99FA66
RGB	rgb(153, 250, 102)
HSL	hsl(99, 94%, 69%)
HSV	hsv(99, 59%, 98%)
CMYK	cmyk(38.8%, 0%, 59.2%, 2%)
CIE-LAB	lab(89.91, -53.62, 60.72)
CIE-LCH	lch(89.91, 81.01, 131.44°)
OKLab	oklab(89.48% -0.1483 0.1417)
OKLCH	oklch(89.48% 0.205 136.3)
XYZ	xyz(49.7194, 76.1002, 24.6368)
Luminance	0.7610 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 0.68

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99FA66 #C766FA

analogous

#E3FA66 #99FA66 #66FA7D

triadic

#99FA66 #6699FA #FA6699

tetradic

#99FA66 #66E3FA #C766FA #FA7D66

square

#99FA66 #66E3FA #C766FA #FA7D66

split-complementary

#99FA66 #7D66FA #FA66E3

monochromatic

#51DE07 #71F82B #99FA66 #C1FCA1 #E8FEDD

Accessibility & contrast

On white

1.29

#99FA66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.22

#99FA66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99FA66

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99FA66	#FFFFFF	#000000	##000000
##99FA66	1.00	1.29	16.22	16.22
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.22	21.00	1.00	1.00
##000000	16.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE756

Deuteranopia (green-blind)

#F5DF71

Tritanopia (blue-blind)

#96F2DA

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #99fa66;
/* rgb */ color: rgb(153, 250, 102);
/* oklch */ color: oklch(89.5% 0.205 136.3);

Tailwind

colors: {
  custom: {
    50: '#bcfc96',
    500: '#99fa66',
    950: '#000000',
  },
}

SCSS

$custom: #99fa66;
$custom-light: #bcfc96;
$custom-dark: #000000;

JSON

{
  "hex": "#99fa66",
  "rgb": {
    "r": 153,
    "g": 250,
    "b": 102
  },
  "hsl": {
    "h": 99.324,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.89483,
    "c": 0.20518,
    "h": 136.3
  },
  "luminance": 0.76103
}

Semantic roles & 50–950 ramp

primary

#99FA66

secondary

#9C30D4

accent

#00E696

background

#FDFFFC

surface

#F9FFF5

border

#D2D7CF

text

#12170E

muted

#82857F

Preview Lab

Preview with #99FA66

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

Preview Lab → · Contrast checker → · Palette generator →