#636D1A

Closest named color: Browny Green (#6F6C0A). oklch(51% 0.105 116.3), rgb(99, 109, 26).

Aa

White text reads best on this color (5.62:1).

About this color

#636D1A is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 51%, its chroma 0.105 and its hue 116°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Browny Green (#6F6C0A), ΔE 0.018 away. White text reads best on it, at 5.62:1.

Hue familyYellows
Lightnessmedium-dark (51%)
Chromamoderately saturated (0.105)
Temperaturein between
Nearest nameBrowny Green (#6F6C0A)
Black text3.73:1
White text5.62:1

Values

HEX#636D1A
RGBrgb(99, 109, 26)
HSLhsl(67, 61%, 26%)
OKLCHoklch(51% 0.105 116.3)

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 #636D1A 5.62:1 AA Lc -83.3 Fine for body text
Black text on #636D1A 3.73:1 AA large text Lc 26.0 Dividers and decoration only
#636D1A text on white 5.62:1 AA Lc 78.0 Fine for body text
#636D1A text on black 3.73:1 AA large text Lc -23.7 Dividers and decoration only

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 700.

  1. Step 50

    50

    #F5F6F1

    oklch(97.1% 0.007 115.7)

  2. Step 100

    100

    #E9EBE0

    oklch(93.6% 0.015 115)

  3. Step 200

    200

    #D8DCC7

    oklch(88.6% 0.029 115.7)

  4. Step 300

    300

    #BEC5A0

    oklch(80.8% 0.051 116.3)

  5. Step 400

    400

    #9DA76C

    oklch(70.6% 0.081 116.4)

  6. Step 500

    500

    #869143

    oklch(63% 0.104 116.1)

  7. Step 600

    600

    #707B21

    oklch(55.6% 0.112 116.2)

  8. Step 700

    700 (this color)

    #636D1A

    oklch(51% 0.105 116.3)

  9. Step 800

    800

    #4D5513

    oklch(42.9% 0.087 116.3)

  10. Step 900

    900

    #404618

    oklch(37.8% 0.067 116)

  11. Step 950

    950

    #25290F

    oklch(27% 0.043 116.6)

Export this scale for Tailwind in the Tailwind colors tool

#636D1A 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)#75670A0.030
Deuteranopia (no green cones)#7468210.032
Tritanopia (no blue cones)#6A665D0.092
Achromatopsia (no color)#6767670.105

Harmonies

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

Complementary

The opposite hue (180°).

  • #636D1A

    #636D1A

    oklch(51% 0.105 116.3)

  • #6C589B

    #6C589B

    oklch(51% 0.105 296.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #636D1A

    #636D1A

    oklch(51% 0.105 116.3)

  • #806100

    #806100

    oklch(51% 0.104 86.7)

  • #397640

    #397640

    oklch(51.1% 0.105 146.2)

Open the analogous palette in the generator

Split complementary

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

  • #636D1A

    #636D1A

    oklch(51% 0.105 116.3)

  • #4A63A2

    #4A63A2

    oklch(51% 0.105 266.4)

  • #854F86

    #854F86

    oklch(51% 0.105 326.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #636D1A

    #636D1A

    oklch(51% 0.105 116.3)

  • #126E9A

    #126E9A

    oklch(51% 0.105 236.5)

  • #944A68

    #944A68

    oklch(51% 0.105 355.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #636D1A

    #636D1A

    oklch(51% 0.105 116.3)

  • #00747F

    #00747F

    oklch(51.1% 0.087 206.3)

  • #6C589B

    #6C589B

    oklch(51% 0.105 296.2)

  • #994C45

    #994C45

    oklch(51% 0.104 26.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #636D1A, closest first.

Similar named colors

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

Use #636D1A 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.