#538F1F#538F1F

#538F1F is a mid, vivid yellow-green. Relative luminance 0.216; OKLCH L 58.7% C 0.154 H 134.1°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#538F1F
RGB	rgb(83, 143, 31)
HSL	hsl(92, 64%, 34%)
HSV	hsv(92, 78%, 56%)
CMYK	cmyk(42%, 0%, 78.3%, 43.9%)
CIE-LAB	lab(53.58, -38.16, 49.59)
CIE-LCH	lch(53.58, 62.58, 127.58°)
OKLab	oklab(58.71% -0.1071 0.1104)
OKLCH	oklch(58.71% 0.154 134.1)
XYZ	xyz(13.6368, 21.5821, 4.7433)
Luminance	0.2158 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538F1F #5B1F8F

analogous

#8B8F1F #538F1F #1F8F23

triadic

#538F1F #1F538F #8F1F53

tetradic

#538F1F #1F8B8F #5B1F8F #8F231F

square

#538F1F #1F8B8F #5B1F8F #8F231F

split-complementary

#538F1F #231F8F #8F1F8B

monochromatic

#192A09 #365D14 #538F1F #70C12A #8FD94F

Accessibility & contrast

On white

3.95

#538F1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#538F1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538F1F

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538F1F	#FFFFFF	#000000	##000000
##538F1F	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958303

Deuteranopia (green-blind)

#8D7E2B

Tritanopia (blue-blind)

#52897A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #538f1f;
/* rgb */ color: rgb(83, 143, 31);
/* oklch */ color: oklch(58.7% 0.154 134.1);

Tailwind

colors: {
  custom: {
    50: '#89b064',
    500: '#538f1f',
    950: '#000000',
  },
}

SCSS

$custom: #538f1f;
$custom-light: #89b064;
$custom-dark: #000000;

JSON

{
  "hex": "#538f1f",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 31
  },
  "hsl": {
    "h": 92.143,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.58707,
    "c": 0.15379,
    "h": 134.1
  },
  "luminance": 0.21583
}

Semantic roles & 50–950 ramp

primary

#538F1F

secondary

#894EBC

accent

#40E79A

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #538F1F

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

Preview Lab → · Contrast checker → · Palette generator →