#1F2A01#1F2A01

#1F2A01 is a dark, moderate yellow-green. Relative luminance 0.019; OKLCH L 26.5% C 0.064 H 123.7°. Best body text is #FFFFFF at 15.11:1 contrast (WCAG AA passes).

Color values

HEX	#1F2A01
RGB	rgb(31, 42, 1)
HSL	hsl(76, 95%, 8%)
HSV	hsv(76, 98%, 16%)
CMYK	cmyk(26.2%, 0%, 97.6%, 83.5%)
CIE-LAB	lab(15.22, -12.05, 21.50)
CIE-LCH	lch(15.22, 24.65, 119.26°)
OKLab	oklab(26.51% -0.0356 0.0533)
OKLCH	oklch(26.51% 0.064 123.7)
XYZ	xyz(1.3985, 1.9494, 0.3313)
Luminance	0.0195 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2A01 #0C012A

analogous

#2A2001 #1F2A01 #0A2A01

triadic

#1F2A01 #011F2A #2A011F

tetradic

#1F2A01 #012A20 #0C012A #2A010A

square

#1F2A01 #012A20 #0C012A #2A010A

split-complementary

#1F2A01 #010A2A #20012A

monochromatic

#161E01 #161E01 #1F2A01 #4B6602 #77A204

Accessibility & contrast

On white

15.11

#1F2A01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1F2A01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2A01

15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2A01	#FFFFFF	#000000	##FFFFFF
##1F2A01	1.00	15.11	1.39	15.11
#FFFFFF	15.11	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2600

Deuteranopia (green-blind)

#2C2604

Tritanopia (blue-blind)

#212722

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1f2a01;
/* rgb */ color: rgb(31, 42, 1);
/* oklch */ color: oklch(26.5% 0.064 123.7);

Tailwind

colors: {
  custom: {
    50: '#5b6347',
    500: '#1f2a01',
    950: '#000000',
  },
}

SCSS

$custom: #1f2a01;
$custom-light: #5b6347;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2a01",
  "rgb": {
    "r": 31,
    "g": 42,
    "b": 1
  },
  "hsl": {
    "h": 76.098,
    "s": 95.349,
    "l": 8.431
  },
  "oklch": {
    "l": 0.26506,
    "c": 0.06412,
    "h": 123.7
  },
  "luminance": 0.01949
}

Semantic roles & 50–950 ramp

primary

#1F2A01

secondary

#2F1670

accent

#29FF62

background

#F5F5F4

surface

#E9EAE6

border

#C5C6C2

text

#040500

muted

#797977

Preview Lab

Preview with #1F2A01

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

Preview Lab → · Contrast checker → · Palette generator →