#99E561#99E561

#99E561 is a very light, vivid yellow-green. Relative luminance 0.637; OKLCH L 84.5% C 0.182 H 133.9°. Best body text is #000000 at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#99E561
RGB	rgb(153, 229, 97)
HSL	hsl(95, 72%, 64%)
HSV	hsv(95, 58%, 90%)
CMYK	cmyk(33.2%, 0%, 57.6%, 10.2%)
CIE-LAB	lab(83.79, -45.38, 55.93)
CIE-LCH	lch(83.79, 72.03, 129.06°)
OKLab	oklab(84.49% -0.1261 0.131)
OKLCH	oklch(84.49% 0.182 133.9)
XYZ	xyz(43.3130, 63.6723, 21.3148)
Luminance	0.6367 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99E561 #AD61E5

analogous

#DBE561 #99E561 #61E56B

triadic

#99E561 #6199E5 #E56199

tetradic

#99E561 #61DBE5 #AD61E5 #E56B61

square

#99E561 #61DBE5 #AD61E5 #E56B61

split-complementary

#99E561 #6B61E5 #E561DB

monochromatic

#5BAF1D #77DC2C #99E561 #BBEE96 #DDF6CA

Accessibility & contrast

On white

1.53

#99E561 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.73

#99E561 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99E561

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99E561	#FFFFFF	#000000	##000000
##99E561	1.00	1.53	13.73	13.73
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.73	21.00	1.00	1.00
##000000	13.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDD553

Deuteranopia (green-blind)

#E2CF6B

Tritanopia (blue-blind)

#99DDC8

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #99e561;
/* rgb */ color: rgb(153, 229, 97);
/* oklch */ color: oklch(84.5% 0.182 133.9);

Tailwind

colors: {
  custom: {
    50: '#bbed92',
    500: '#99e561',
    950: '#000000',
  },
}

SCSS

$custom: #99e561;
$custom-light: #bbed92;
$custom-dark: #000000;

JSON

{
  "hex": "#99e561",
  "rgb": {
    "r": 153,
    "g": 229,
    "b": 97
  },
  "hsl": {
    "h": 94.545,
    "s": 71.739,
    "l": 63.922
  },
  "oklch": {
    "l": 0.84485,
    "c": 0.18186,
    "h": 133.9
  },
  "luminance": 0.63674
}

Semantic roles & 50–950 ramp

primary

#99E561

secondary

#7E3AB0

accent

#12D481

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12160D

muted

#82857F

Preview Lab

Preview with #99E561

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

Preview Lab → · Contrast checker → · Palette generator →