#407F1F#407F1F

#407F1F is a mid, vivid yellow-green. Relative luminance 0.164; OKLCH L 53.4% C 0.143 H 137.1°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#407F1F
RGB	rgb(64, 127, 31)
HSL	hsl(99, 61%, 31%)
HSV	hsv(99, 76%, 50%)
CMYK	cmyk(49.6%, 0%, 75.6%, 50.2%)
CIE-LAB	lab(47.45, -37.85, 43.30)
CIE-LCH	lch(47.45, 57.51, 131.16°)
OKLab	oklab(53.44% -0.105 0.0975)
OKLCH	oklch(53.44% 0.143 137.1)
XYZ	xyz(9.9507, 16.3670, 3.9309)
Luminance	0.1637 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407F1F #5E1F7F

analogous

#707F1F #407F1F #1F7F2E

triadic

#407F1F #1F407F #7F1F40

tetradic

#407F1F #1F707F #5E1F7F #7F2E1F

square

#407F1F #1F707F #5E1F7F #7F2E1F

split-complementary

#407F1F #2E1F7F #7F1F70

monochromatic

#0E1D07 #274E13 #407F1F #59B02B #76D246

Accessibility & contrast

On white

4.91

#407F1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#407F1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #407F1F

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407F1F	#FFFFFF	#000000	##FFFFFF
##407F1F	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#83740D

Deuteranopia (green-blind)

#7B6F29

Tritanopia (blue-blind)

#3C7A6C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #407f1f;
/* rgb */ color: rgb(64, 127, 31);
/* oklch */ color: oklch(53.4% 0.143 137.1);

Tailwind

colors: {
  custom: {
    50: '#7ba562',
    500: '#407f1f',
    950: '#000000',
  },
}

SCSS

$custom: #407f1f;
$custom-light: #7ba562;
$custom-dark: #000000;

JSON

{
  "hex": "#407f1f",
  "rgb": {
    "r": 64,
    "g": 127,
    "b": 31
  },
  "hsl": {
    "h": 99.375,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.53439,
    "c": 0.14327,
    "h": 137.1
  },
  "luminance": 0.16368
}

Semantic roles & 50–950 ramp

primary

#407F1F

secondary

#8D48B2

accent

#44E4AD

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A0F05

muted

#7C7F7A

Preview Lab

Preview with #407F1F

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

Preview Lab → · Contrast checker → · Palette generator →