#4D9B1B#4D9B1B

#4D9B1B is a mid, vivid yellow-green. Relative luminance 0.251; OKLCH L 61.6% C 0.174 H 136.6°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX#4D9B1B
RGBrgb(77, 155, 27)
HSLhsl(97, 70%, 36%)
HSVhsv(97, 83%, 61%)
CMYKcmyk(50.3%, 0%, 82.6%, 39.2%)
CIE-LABlab(57.17, -45.32, 54.10)
CIE-LCHlch(57.17, 70.57, 129.95°)
OKLaboklab(61.58% -0.1262 0.1193)
OKLCHoklch(61.58% 0.174 136.6)
XYZxyz(14.9793, 25.0985, 5.0919)
Luminance0.2510 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4D9B1B #691B9B
analogous
#8D9B1B #4D9B1B #1B9B29
triadic
#4D9B1B #1B4D9B #9B1B4D
tetradic
#4D9B1B #1B8D9B #691B9B #9B291B
square
#4D9B1B #1B8D9B #691B9B #9B291B
split-complementary
#4D9B1B #291B9B #9B1B8D
monochromatic
#193309 #336712 #4D9B1B #67CF24 #88E050

Accessibility & contrast

On white

3.49
#4D9B1B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.02
#4D9B1B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D9B1B
6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4D9B1B#FFFFFF#000000##000000
##4D9B1B1.003.496.026.02
#FFFFFF3.491.0021.0021.00
#0000006.0221.001.001.00
##0000006.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#A18D00
Deuteranopia (green-blind)
#96872B
Tritanopia (blue-blind)
#499584
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #4d9b1b;
/* rgb */ color: rgb(77, 155, 27);
/* oklch */ color: oklch(61.6% 0.174 136.6);
Tailwind
colors: {
  custom: {
    50: '#87b964',
    500: '#4d9b1b',
    950: '#000000',
  },
}
SCSS
$custom: #4d9b1b;
$custom-light: #87b964;
$custom-dark: #000000;
JSON
{
  "hex": "#4d9b1b",
  "rgb": {
    "r": 77,
    "g": 155,
    "b": 27
  },
  "hsl": {
    "h": 96.563,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.61576,
    "c": 0.17366,
    "h": 136.6
  },
  "luminance": 0.251
}

Semantic roles & 50–950 ramp

primary
#4D9B1B
secondary
#964FC3
accent
#3BEDA7
background
#F8FBF6
surface
#F0F6EB
border
#CBD0C6
text
#0C1106
muted
#7D807A

Preview Lab

Preview with #4D9B1B

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

Preview Lab → · Contrast checker → · Palette generator →

#4D9B1B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva