#257D3E#257D3E

#257D3E is a mid, vivid green. Relative luminance 0.154; OKLCH L 52.2% C 0.127 H 149.0°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#257D3E
RGB	rgb(37, 125, 62)
HSL	hsl(137, 54%, 32%)
HSV	hsv(137, 70%, 49%)
CMYK	cmyk(70.4%, 0%, 50.4%, 51%)
CIE-LAB	lab(46.19, -40.44, 26.88)
CIE-LCH	lch(46.19, 48.56, 146.39°)
OKLab	oklab(52.25% -0.109 0.0654)
OKLCH	oklch(52.25% 0.127 149)
XYZ	xyz(8.9654, 15.4074, 7.0579)
Luminance	0.1541 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D3E #7D2564

analogous

#387D25 #257D3E #257D6A

triadic

#257D3E #3E257D #7D3E25

tetradic

#257D3E #25387D #7D2564 #7D6A25

square

#257D3E #25387D #7D2564 #7D6A25

split-complementary

#257D3E #6A257D #7D2538

monochromatic

#091F0F #174E27 #257D3E #33AC55 #51CB74

Accessibility & contrast

On white

5.15

#257D3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#257D3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D3E

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D3E	#FFFFFF	#000000	##FFFFFF
##257D3E	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E7239

Deuteranopia (green-blind)

#736A42

Tritanopia (blue-blind)

#007B6E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #257d3e;
/* rgb */ color: rgb(37, 125, 62);
/* oklch */ color: oklch(52.2% 0.127 149.0);

Tailwind

colors: {
  custom: {
    50: '#6ca374',
    500: '#257d3e',
    950: '#000000',
  },
}

SCSS

$custom: #257d3e;
$custom-light: #6ca374;
$custom-dark: #000000;

JSON

{
  "hex": "#257d3e",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 62
  },
  "hsl": {
    "h": 137.045,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.52245,
    "c": 0.1271,
    "h": 149
  },
  "luminance": 0.15408
}

Semantic roles & 50–950 ramp

primary

#257D3E

secondary

#AF4F94

accent

#4AB4DE

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#080F08

muted

#7A7F7B

Preview Lab

Preview with #257D3E

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

Preview Lab → · Contrast checker → · Palette generator →