#99EA63#99EA63

#99EA63 is a very light, vivid yellow-green. Relative luminance 0.665; OKLCH L 85.7% C 0.187 H 134.7°. Best body text is #000000 at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#99EA63
RGB	rgb(153, 234, 99)
HSL	hsl(96, 76%, 65%)
HSV	hsv(96, 58%, 92%)
CMYK	cmyk(34.6%, 0%, 57.7%, 8.2%)
CIE-LAB	lab(85.26, -47.31, 56.73)
CIE-LCH	lch(85.26, 73.87, 129.83°)
OKLab	oklab(85.68% -0.1313 0.1329)
OKLCH	oklch(85.68% 0.187 134.7)
XYZ	xyz(44.8109, 66.5169, 22.2799)
Luminance	0.6652 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99EA63 #B463EA

analogous

#DCEA63 #99EA63 #63EA70

triadic

#99EA63 #6399EA #EA6399

tetradic

#99EA63 #63DCEA #B463EA #EA7063

square

#99EA63 #63DCEA #B463EA #EA7063

split-complementary

#99EA63 #7063EA #EA63DC

monochromatic

#59BA19 #76E32D #99EA63 #BCF199 #E0F9CF

Accessibility & contrast

On white

1.47

#99EA63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.30

#99EA63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EA63

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99EA63	#FFFFFF	#000000	##000000
##99EA63	1.00	1.47	14.30	14.30
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.30	21.00	1.00	1.00
##000000	14.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D955

Deuteranopia (green-blind)

#E7D36D

Tritanopia (blue-blind)

#98E2CD

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #99ea63;
/* rgb */ color: rgb(153, 234, 99);
/* oklch */ color: oklch(85.7% 0.187 134.7);

Tailwind

colors: {
  custom: {
    50: '#bbf194',
    500: '#99ea63',
    950: '#000000',
  },
}

SCSS

$custom: #99ea63;
$custom-light: #bbf194;
$custom-dark: #000000;

JSON

{
  "hex": "#99ea63",
  "rgb": {
    "r": 153,
    "g": 234,
    "b": 99
  },
  "hsl": {
    "h": 96,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.85684,
    "c": 0.18681,
    "h": 134.7
  },
  "luminance": 0.66519
}

Semantic roles & 50–950 ramp

primary

#99EA63

secondary

#8538B9

accent

#0DD887

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12170D

muted

#82857F

Preview Lab

Preview with #99EA63

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

Preview Lab → · Contrast checker → · Palette generator →