#99E55C#99E55C

#99E55C is a very light, vivid yellow-green. Relative luminance 0.636; OKLCH L 84.4% C 0.186 H 133.4°. Best body text is #000000 at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#99E55C
RGB	rgb(153, 229, 92)
HSL	hsl(93, 72%, 63%)
HSV	hsv(93, 60%, 90%)
CMYK	cmyk(33.2%, 0%, 59.8%, 10.2%)
CIE-LAB	lab(83.75, -45.85, 58.05)
CIE-LCH	lch(83.75, 73.97, 128.30°)
OKLab	oklab(84.43% -0.1278 0.1351)
OKLCH	oklch(84.43% 0.186 133.4)
XYZ	xyz(43.0872, 63.5819, 20.1255)
Luminance	0.6358 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99E55C #A85CE5

analogous

#DDE55C #99E55C #5CE563

triadic

#99E55C #5C99E5 #E55C99

tetradic

#99E55C #5CDDE5 #A85CE5 #E5635C

square

#99E55C #5CDDE5 #A85CE5 #E5635C

split-complementary

#99E55C #635CE5 #E55CDD

monochromatic

#5BAB1B #78DD27 #99E55C #BAED91 #DBF6C6

Accessibility & contrast

On white

1.53

#99E55C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.72

#99E55C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99E55C

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99E55C	#FFFFFF	#000000	##000000
##99E55C	1.00	1.53	13.72	13.72
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.72	21.00	1.00	1.00
##000000	13.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED54D

Deuteranopia (green-blind)

#E3CF66

Tritanopia (blue-blind)

#99DDC8

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #99e55c;
/* rgb */ color: rgb(153, 229, 92);
/* oklch */ color: oklch(84.4% 0.186 133.4);

Tailwind

colors: {
  custom: {
    50: '#bbed8f',
    500: '#99e55c',
    950: '#000000',
  },
}

SCSS

$custom: #99e55c;
$custom-light: #bbed8f;
$custom-dark: #000000;

JSON

{
  "hex": "#99e55c",
  "rgb": {
    "r": 153,
    "g": 229,
    "b": 92
  },
  "hsl": {
    "h": 93.285,
    "s": 72.487,
    "l": 62.941
  },
  "oklch": {
    "l": 0.84431,
    "c": 0.18593,
    "h": 133.4
  },
  "luminance": 0.63584
}

Semantic roles & 50–950 ramp

primary

#99E55C

secondary

#7938AD

accent

#11D57D

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12160D

muted

#82857F

Preview Lab

Preview with #99E55C

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

Preview Lab → · Contrast checker → · Palette generator →