#507D21#507D21

#507D21 is a mid, vivid yellow-green. Relative luminance 0.165; OKLCH L 53.8% C 0.131 H 132.2°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#507D21
RGB	rgb(80, 125, 33)
HSL	hsl(89, 58%, 31%)
HSV	hsv(89, 74%, 49%)
CMYK	cmyk(36%, 0%, 73.6%, 51%)
CIE-LAB	lab(47.60, -31.10, 42.92)
CIE-LCH	lch(47.60, 53.01, 125.92°)
OKLab	oklab(53.78% -0.0876 0.0968)
OKLCH	oklch(53.78% 0.131 132.2)
XYZ	xyz(10.9163, 16.4821, 4.0447)
Luminance	0.1648 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#507D21 #4E217D

analogous

#7D7C21 #507D21 #227D21

triadic

#507D21 #21507D #7D2150

tetradic

#507D21 #217D7C #4E217D #7D2122

square

#507D21 #217D7C #4E217D #7D2122

split-complementary

#507D21 #21227D #7C217D

monochromatic

#121C07 #314D14 #507D21 #6FAD2E #8ECF49

Accessibility & contrast

On white

4.89

#507D21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#507D21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #507D21

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##507D21	#FFFFFF	#000000	##FFFFFF
##507D21	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827311

Deuteranopia (green-blind)

#7C7029

Tritanopia (blue-blind)

#51786B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #507d21;
/* rgb */ color: rgb(80, 125, 33);
/* oklch */ color: oklch(53.8% 0.131 132.2);

Tailwind

colors: {
  custom: {
    50: '#85a363',
    500: '#507d21',
    950: '#000000',
  },
}

SCSS

$custom: #507d21;
$custom-light: #85a363;
$custom-dark: #000000;

JSON

{
  "hex": "#507d21",
  "rgb": {
    "r": 80,
    "g": 125,
    "b": 33
  },
  "hsl": {
    "h": 89.348,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.5378,
    "c": 0.13055,
    "h": 132.2
  },
  "luminance": 0.16483
}

Semantic roles & 50–950 ramp

primary

#507D21

secondary

#7C4AB0

accent

#46E192

background

#F8FAF6

surface

#F0F3EB

border

#CBCDC6

text

#0B0F05

muted

#7C7F7A

Preview Lab

Preview with #507D21

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

Preview Lab → · Contrast checker → · Palette generator →