#1F430A#1F430A

#1F430A is a dark, moderate yellow-green. Relative luminance 0.043; OKLCH L 34.3% C 0.093 H 136.7°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#1F430A
RGB	rgb(31, 67, 10)
HSL	hsl(98, 74%, 15%)
HSV	hsv(98, 85%, 26%)
CMYK	cmyk(53.7%, 0%, 85.1%, 73.7%)
CIE-LAB	lab(24.73, -24.37, 28.56)
CIE-LCH	lch(24.73, 37.54, 130.47°)
OKLab	oklab(34.3% -0.0677 0.0639)
OKLCH	oklch(34.3% 0.093 136.7)
XYZ	xyz(2.6269, 4.3274, 0.9839)
Luminance	0.0433 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 1.78

Hunter Green (survey)

#0B4008

ΔE00 2.91

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F430A #2E0A43

analogous

#3B430A #1F430A #0A4312

triadic

#1F430A #0A1F43 #430A1F

tetradic

#1F430A #0A3B43 #2E0A43 #43120A

square

#1F430A #0A3B43 #2E0A43 #43120A

split-complementary

#1F430A #120A43 #430A3B

monochromatic

#0C1B04 #0C1B04 #1F430A #387812 #50AE1A

Accessibility & contrast

On white

11.26

#1F430A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#1F430A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F430A

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F430A	#FFFFFF	#000000	##FFFFFF
##1F430A	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463D01

Deuteranopia (green-blind)

#413A10

Tritanopia (blue-blind)

#1D4038

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1f430a;
/* rgb */ color: rgb(31, 67, 10);
/* oklch */ color: oklch(34.3% 0.093 136.7);

Tailwind

colors: {
  custom: {
    50: '#5f774e',
    500: '#1f430a',
    950: '#000000',
  },
}

SCSS

$custom: #1f430a;
$custom-light: #5f774e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f430a",
  "rgb": {
    "r": 31,
    "g": 67,
    "b": 10
  },
  "hsl": {
    "h": 97.895,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.34297,
    "c": 0.0931,
    "h": 136.7
  },
  "luminance": 0.04328
}

Semantic roles & 50–950 ramp

primary

#1F430A

secondary

#602980

accent

#37F1AC

background

#F5F7F4

surface

#E9EDE7

border

#C5C8C3

text

#050902

muted

#797B78

Preview Lab

Preview with #1F430A

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

Preview Lab → · Contrast checker → · Palette generator →