#313F03#313F03

#313F03 is a dark, moderate yellow-green. Relative luminance 0.042; OKLCH L 34.3% C 0.081 H 122.9°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#313F03
RGB	rgb(49, 63, 3)
HSL	hsl(74, 91%, 13%)
HSV	hsv(74, 95%, 25%)
CMYK	cmyk(22.2%, 0%, 95.2%, 75.3%)
CIE-LAB	lab(24.37, -14.93, 31.45)
CIE-LCH	lch(24.37, 34.82, 115.39°)
OKLab	oklab(34.29% -0.0442 0.0684)
OKLCH	oklch(34.29% 0.081 122.9)
XYZ	xyz(3.0606, 4.2145, 0.7384)
Luminance	0.0421 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313F03 #11033F

analogous

#3F2F03 #313F03 #133F03

triadic

#313F03 #03313F #3F0331

tetradic

#313F03 #033F2F #11033F #3F0313

square

#313F03 #033F2F #11033F #3F0313

split-complementary

#313F03 #03133F #2F033F

monochromatic

#171D01 #171D01 #313F03 #5E7906 #8CB409

Accessibility & contrast

On white

11.39

#313F03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#313F03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313F03

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313F03	#FFFFFF	#000000	##FFFFFF
##313F03	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433A00

Deuteranopia (green-blind)

#423A09

Tritanopia (blue-blind)

#343B34

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #313f03;
/* rgb */ color: rgb(49, 63, 3);
/* oklch */ color: oklch(34.3% 0.081 122.9);

Tailwind

colors: {
  custom: {
    50: '#6c744a',
    500: '#313f03',
    950: '#000000',
  },
}

SCSS

$custom: #313f03;
$custom-light: #6c744a;
$custom-dark: #000000;

JSON

{
  "hex": "#313f03",
  "rgb": {
    "r": 49,
    "g": 63,
    "b": 3
  },
  "hsl": {
    "h": 74,
    "s": 90.909,
    "l": 12.941
  },
  "oklch": {
    "l": 0.34295,
    "c": 0.08144,
    "h": 122.9
  },
  "luminance": 0.04215
}

Semantic roles & 50–950 ramp

primary

#313F03

secondary

#341D81

accent

#29FF5B

background

#F6F7F4

surface

#EBEDE7

border

#C6C8C3

text

#070801

muted

#7A7B77

Preview Lab

Preview with #313F03

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

Preview Lab → · Contrast checker → · Palette generator →