#99EC6E#99EC6E

#99EC6E is a very light, vivid yellow-green. Relative luminance 0.679; OKLCH L 86.3% C 0.180 H 136.1°. Best body text is #000000 at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#99EC6E
RGB	rgb(153, 236, 110)
HSL	hsl(100, 77%, 68%)
HSV	hsv(100, 53%, 93%)
CMYK	cmyk(35.2%, 0%, 53.4%, 7.5%)
CIE-LAB	lab(85.95, -47.03, 52.61)
CIE-LCH	lch(85.95, 70.56, 131.80°)
OKLab	oklab(86.28% -0.1298 0.1249)
OKLCH	oklch(86.28% 0.18 136.1)
XYZ	xyz(45.9456, 67.8869, 25.4314)
Luminance	0.6789 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99EC6E #C16EEC

analogous

#D8EC6E #99EC6E #6EEC82

triadic

#99EC6E #6E99EC #EC6E99

tetradic

#99EC6E #6ED8EC #C16EEC #EC826E

square

#99EC6E #6ED8EC #C16EEC #EC826E

split-complementary

#99EC6E #826EEC #EC6ED8

monochromatic

#55C61A #73E538 #99EC6E #BFF3A4 #E5FADA

Accessibility & contrast

On white

1.44

#99EC6E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.58

#99EC6E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EC6E

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99EC6E	#FFFFFF	#000000	##000000
##99EC6E	1.00	1.44	14.58	14.58
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.58	21.00	1.00	1.00
##000000	14.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3DB62

Deuteranopia (green-blind)

#E8D477

Tritanopia (blue-blind)

#97E4D0

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #99ec6e;
/* rgb */ color: rgb(153, 236, 110);
/* oklch */ color: oklch(86.3% 0.180 136.1);

Tailwind

colors: {
  custom: {
    50: '#bbf29b',
    500: '#99ec6e',
    950: '#000000',
  },
}

SCSS

$custom: #99ec6e;
$custom-light: #bbf29b;
$custom-dark: #000000;

JSON

{
  "hex": "#99ec6e",
  "rgb": {
    "r": 153,
    "g": 236,
    "b": 110
  },
  "hsl": {
    "h": 99.524,
    "s": 76.829,
    "l": 67.843
  },
  "oklch": {
    "l": 0.86283,
    "c": 0.18012,
    "h": 136.1
  },
  "luminance": 0.67889
}

Semantic roles & 50–950 ramp

primary

#99EC6E

secondary

#953BC3

accent

#0CD993

background

#FDFFFC

surface

#F9FEF5

border

#D2D6CF

text

#12170E

muted

#82857F

Preview Lab

Preview with #99EC6E

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

Preview Lab → · Contrast checker → · Palette generator →