#99E455#99E455

#99E455 is a very light, vivid yellow-green. Relative luminance 0.629; OKLCH L 84.1% C 0.190 H 132.7°. Best body text is #000000 at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#99E455
RGB	rgb(153, 228, 85)
HSL	hsl(91, 73%, 61%)
HSV	hsv(91, 63%, 89%)
CMYK	cmyk(32.9%, 0%, 62.7%, 10.6%)
CIE-LAB	lab(83.40, -46.03, 60.61)
CIE-LCH	lch(83.40, 76.11, 127.22°)
OKLab	oklab(84.13% -0.1288 0.1397)
OKLCH	oklch(84.13% 0.19 132.7)
XYZ	xyz(42.5193, 62.9134, 18.4958)
Luminance	0.6291 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99E455 #A055E4

analogous

#E0E455 #99E455 #55E459

triadic

#99E455 #5599E4 #E45599

tetradic

#99E455 #55E0E4 #A055E4 #E45955

square

#99E455 #55E0E4 #A055E4 #E45955

split-complementary

#99E455 #5955E4 #E455E0

monochromatic

#5CA41A #79D923 #99E455 #B9EC8A #D8F5BF

Accessibility & contrast

On white

1.55

#99E455 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.58

#99E455 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99E455

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99E455	#FFFFFF	#000000	##000000
##99E455	1.00	1.55	13.58	13.58
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.58	21.00	1.00	1.00
##000000	13.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDD444

Deuteranopia (green-blind)

#E2CE60

Tritanopia (blue-blind)

#9ADBC6

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #99e455;
/* rgb */ color: rgb(153, 228, 85);
/* oklch */ color: oklch(84.1% 0.190 132.7);

Tailwind

colors: {
  custom: {
    50: '#bbed8b',
    500: '#99e455',
    950: '#000000',
  },
}

SCSS

$custom: #99e455;
$custom-light: #bbed8b;
$custom-dark: #000000;

JSON

{
  "hex": "#99e455",
  "rgb": {
    "r": 153,
    "g": 228,
    "b": 85
  },
  "hsl": {
    "h": 91.469,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.84126,
    "c": 0.19004,
    "h": 132.7
  },
  "luminance": 0.62915
}

Semantic roles & 50–950 ramp

primary

#99E455

secondary

#7136A7

accent

#11D578

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12160C

muted

#82857F

Preview Lab

Preview with #99E455

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

Preview Lab → · Contrast checker → · Palette generator →