#647F07

Closest named color: Olive Green (#677A04). oklch(55.5% 0.134 123.4), rgb(100, 127, 7).

Aa

White text reads best on this color (4.58:1).

About this color

#647F07 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 56%, its chroma 0.134 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Green (#677A04), ΔE 0.014 away. White text reads best on it, at 4.58:1.

Hue familyYellows
Lightnessmedium-dark (56%)
Chromamoderately saturated (0.134)
Temperaturein between
Nearest nameOlive Green (#677A04)
Black text4.58:1
White text4.58:1

Values

HEX#647F07
RGBrgb(100, 127, 7)
HSLhsl(74, 90%, 26%)
OKLCHoklch(55.5% 0.134 123.4)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #647F07 4.58:1 AA Lc -77.1 Fine for body text
Black text on #647F07 4.58:1 AA Lc 32.4 Non-text elements, placeholder text
#647F07 text on white 4.58:1 AA Lc 71.7 Content text, not long reading
#647F07 text on black 4.58:1 AA Lc -30.0 Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.

  1. Step 50

    50

    #F4F6F1

    oklch(97% 0.007 124.4)

  2. Step 100

    100

    #E7ECDF

    oklch(93.6% 0.018 124)

  3. Step 200

    200

    #D4DDC5

    oklch(88.4% 0.034 123.9)

  4. Step 300

    300

    #B9C89D

    oklch(81% 0.061 123.4)

  5. Step 400

    400

    #95AB66

    oklch(70.8% 0.097 123.3)

  6. Step 500

    500

    #7B9538

    oklch(63% 0.123 123.2)

  7. Step 600

    600 (this color)

    #647F07

    oklch(55.5% 0.134 123.4)

  8. Step 700

    700

    #546B00

    oklch(49.1% 0.121 123.1)

  9. Step 800

    800

    #445803

    oklch(42.8% 0.104 123.6)

  10. Step 900

    900

    #394810

    oklch(37.6% 0.081 123.4)

  11. Step 950

    950

    #222A0C

    oklch(26.9% 0.05 122.3)

Export this scale for Tailwind in the Tailwind colors tool

#647F07 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#8776000.056
Deuteranopia (no green cones)#8475190.057
Tritanopia (no blue cones)#6A786B0.111
Achromatopsia (no color)#7575750.135

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #647F07

    #647F07

    oklch(55.5% 0.134 123.4)

  • #845CB3

    #845CB3

    oklch(55.5% 0.136 303.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #647F07

    #647F07

    oklch(55.5% 0.134 123.4)

  • #8A7100

    #8A7100

    oklch(55.6% 0.114 93.5)

  • #17894C

    #17894C

    oklch(55.6% 0.134 153.4)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #647F07

    #647F07

    oklch(55.5% 0.134 123.4)

  • #5B6BC1

    #5B6BC1

    oklch(55.6% 0.134 273.4)

  • #A05194

    #A05194

    oklch(55.4% 0.135 333.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #647F07

    #647F07

    oklch(55.5% 0.134 123.4)

  • #0379BB

    #0379BB

    oklch(55.4% 0.135 243.7)

  • #B14C6B

    #B14C6B

    oklch(55.5% 0.135 3.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #647F07

    #647F07

    oklch(55.5% 0.134 123.4)

  • #008195

    #008195

    oklch(55.4% 0.097 213.5)

  • #845CB3

    #845CB3

    oklch(55.5% 0.136 303.5)

  • #B4503B

    #B4503B

    oklch(55.5% 0.135 33.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #647F07, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #647F07 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.