#77CF39#77CF39

#77CF39 is a light, vivid yellow-green. Relative luminance 0.488; OKLCH L 77.0% C 0.200 H 135.3°. Best body text is #000000 at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#77CF39
RGB	rgb(119, 207, 57)
HSL	hsl(95, 61%, 52%)
HSV	hsv(95, 72%, 81%)
CMYK	cmyk(42.5%, 0%, 72.5%, 18.8%)
CIE-LAB	lab(75.35, -50.86, 62.47)
CIE-LCH	lch(75.35, 80.55, 129.15°)
OKLab	oklab(77.05% -0.1419 0.1405)
OKLCH	oklch(77.05% 0.2 135.3)
XYZ	xyz(30.6584, 48.8413, 11.6820)
Luminance	0.4884 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#77CF39 #9139CF

analogous

#C2CF39 #77CF39 #39CF46

triadic

#77CF39 #3977CF #CF3977

tetradic

#77CF39 #39C2CF #9139CF #CF4639

square

#77CF39 #39C2CF #9139CF #CF4639

split-complementary

#77CF39 #4639CF #CF39C2

monochromatic

#3F721C #5BA328 #77CF39 #99DB6A #BBE79C

Accessibility & contrast

On white

1.95

#77CF39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.77

#77CF39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #77CF39

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##77CF39	#FFFFFF	#000000	##000000
##77CF39	1.00	1.95	10.77	10.77
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.77	21.00	1.00	1.00
##000000	10.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BE1D

Deuteranopia (green-blind)

#CBB748

Tritanopia (blue-blind)

#75C7B2

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #77cf39;
/* rgb */ color: rgb(119, 207, 57);
/* oklch */ color: oklch(77.0% 0.200 135.3);

Tailwind

colors: {
  custom: {
    50: '#a5de79',
    500: '#77cf39',
    950: '#000000',
  },
}

SCSS

$custom: #77cf39;
$custom-light: #a5de79;
$custom-dark: #000000;

JSON

{
  "hex": "#77cf39",
  "rgb": {
    "r": 119,
    "g": 207,
    "b": 57
  },
  "hsl": {
    "h": 95.2,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.7705,
    "c": 0.19973,
    "h": 135.3
  },
  "luminance": 0.48843
}

Semantic roles & 50–950 ramp

primary

#77CF39

secondary

#B891D3

accent

#44E4A2

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#10150A

muted

#7F837C

Preview Lab

Preview with #77CF39

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

Preview Lab → · Contrast checker → · Palette generator →