#4F901B#4F901B

#4F901B is a mid, vivid yellow-green. Relative luminance 0.217; OKLCH L 58.7% C 0.159 H 135.0°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#4F901B
RGB	rgb(79, 144, 27)
HSL	hsl(93, 68%, 34%)
HSV	hsv(93, 81%, 56%)
CMYK	cmyk(45.1%, 0%, 81.3%, 43.5%)
CIE-LAB	lab(53.69, -40.20, 50.93)
CIE-LCH	lch(53.69, 64.88, 128.29°)
OKLab	oklab(58.74% -0.1126 0.1126)
OKLCH	oklch(58.74% 0.159 135)
XYZ	xyz(13.3952, 21.6871, 4.5169)
Luminance	0.2169 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F901B #5C1B90

analogous

#89901B #4F901B #1B9021

triadic

#4F901B #1B4F90 #901B4F

tetradic

#4F901B #1B8990 #5C1B90 #90211B

square

#4F901B #1B8990 #5C1B90 #90211B

split-complementary

#4F901B #211B90 #901B89

monochromatic

#162908 #335C11 #4F901B #6BC425 #8ADD49

Accessibility & contrast

On white

3.93

#4F901B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#4F901B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F901B

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F901B	#FFFFFF	#000000	##000000
##4F901B	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968400

Deuteranopia (green-blind)

#8D7E28

Tritanopia (blue-blind)

#4D8A7B

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4f901b;
/* rgb */ color: rgb(79, 144, 27);
/* oklch */ color: oklch(58.7% 0.159 135.0);

Tailwind

colors: {
  custom: {
    50: '#87b162',
    500: '#4f901b',
    950: '#000000',
  },
}

SCSS

$custom: #4f901b;
$custom-light: #87b162;
$custom-dark: #000000;

JSON

{
  "hex": "#4f901b",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 27
  },
  "hsl": {
    "h": 93.333,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.58741,
    "c": 0.15924,
    "h": 135
  },
  "luminance": 0.21688
}

Semantic roles & 50–950 ramp

primary

#4F901B

secondary

#8A48BF

accent

#3DEB9E

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #4F901B

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

Preview Lab → · Contrast checker → · Palette generator →