#407D21#407D21

#407D21 is a mid, vivid yellow-green. Relative luminance 0.159; OKLCH L 52.9% C 0.139 H 137.1°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#407D21
RGB	rgb(64, 125, 33)
HSL	hsl(100, 58%, 31%)
HSV	hsv(100, 74%, 49%)
CMYK	cmyk(48.8%, 0%, 73.6%, 51%)
CIE-LAB	lab(46.80, -36.85, 41.85)
CIE-LCH	lch(46.80, 55.76, 131.36°)
OKLab	oklab(52.91% -0.1021 0.0948)
OKLCH	oklch(52.91% 0.139 137.1)
XYZ	xyz(9.7222, 15.8664, 3.9888)
Luminance	0.1587 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407D21 #5E217D

analogous

#6E7D21 #407D21 #217D30

triadic

#407D21 #21407D #7D2140

tetradic

#407D21 #216E7D #5E217D #7D3021

square

#407D21 #216E7D #5E217D #7D3021

split-complementary

#407D21 #30217D #7D216E

monochromatic

#0E1C07 #274D14 #407D21 #59AD2E #76CF49

Accessibility & contrast

On white

5.03

#407D21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#407D21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #407D21

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407D21	#FFFFFF	#000000	##FFFFFF
##407D21	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817212

Deuteranopia (green-blind)

#796D2A

Tritanopia (blue-blind)

#3C786B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #407d21;
/* rgb */ color: rgb(64, 125, 33);
/* oklch */ color: oklch(52.9% 0.139 137.1);

Tailwind

colors: {
  custom: {
    50: '#7ba362',
    500: '#407d21',
    950: '#000000',
  },
}

SCSS

$custom: #407d21;
$custom-light: #7ba362;
$custom-dark: #000000;

JSON

{
  "hex": "#407d21",
  "rgb": {
    "r": 64,
    "g": 125,
    "b": 33
  },
  "hsl": {
    "h": 99.783,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.52906,
    "c": 0.13933,
    "h": 137.1
  },
  "luminance": 0.15867
}

Semantic roles & 50–950 ramp

primary

#407D21

secondary

#8E4AB0

accent

#46E1AD

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A0F05

muted

#7C7F7A

Preview Lab

Preview with #407D21

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

Preview Lab → · Contrast checker → · Palette generator →